Two treatises in the one of which the nature of bodies, in the other, the nature of mans soule is looked into in way of discovery of the immortality of reasonable soules.

A TABLE OF THE CHAPTERS▪ AND MATTERS HANDLED IN THE FIRST TREATISE CONCERING BODIES.

CHAP. I.

THe Preface. A Preamble to the whole discourse; concerning notions in generall. pag. 1.

§. 1.

Quantity is the first, and most obuious affection of a body ibid.

§. 2.

Wordes do not expresse thinges as they are in themselues, but onely as they are painted in the mindes of men. pag. 2.

§. 3.

The first error that may arise from hence; which is a multiplying of thinges, where no such multiplication is really found. ibid.

§. 4.

A second error; the conceiuing of many distinct thinges as really one thing. pag. 3.

§. 5.

Great care to be taken to auoyde the errors, which may arise from our manner of vnderstanding thinges. pag. 4.

§. 6.

Two sorts of wordes to expresse our notions, the one common to all men, the other proper to schollers. pag 5.

§. 7.

Great errors arise by wresting wordes from their common meaning to expresse a more particular or studied notion. pag. 6.

CHAP. II.

Of Quantity. pag. 8.

§. 1.

Wee must know the vulgar and common notion of Quantity that wee may vnderstand the nature of it. ibid.

§. 2.

Extension or diuisibility is the common notion of Quantity. pag. 9.

§. 3.

Partes of Quantity are not actually in their whole. pag. 10.

§. 4.

If partes were actually in their whole, Quantity would be composed of indiuisibles. ibid.

§. 5.

Quantity can not be composed of indiuisibles. pag. 11.

§. 6.

An obiection to prooue that partes are actually in Quantity; with a declaration of the mistake from whence it proceedeth. pag. 12.

§. 7.

The solution of the former obiection: andthat sense can not discerne whether one part be distinguished from another, or no▪ pag. 13.

§. 8.

An enumeration of the seuerall specieses of Quantity, which confirmeth that the essence of it is diuisibility. pag. 14.

CHAP. III.

Of Rarity and Density. pag. 15.

§ 1. What is meant by Rarity and Density.

ibid.

§. 2.

It is euident that some bodies are rare and others dense; though obscure, how they are such. pag. 16.

• ...

  §. 3. A breife enumeration of the seuerall properties belonging to rare and dense bodies.

  ibid.

  §. 4.

  The opinion of those Philosophers declared, who putt rarity to consist in an actuall diuision of a body into litle pates. pag. 17.

  §. 5.

  The former opinion reiected, and the ground of their error discouered. pag. 18.

  §. 6.

  The opinion of those Philosophers related, who putt rarity to consist in the mixtion of vacuity among bodies. pag. 19.

  §. 7.

  The opinion of vacuities refuted. pag. 20.

  §. 8.

  Rarity and Density cosist in the seuerall proportions which Quantity hath to its substance. pag. 22.

  §. 9.

  All must admitt in Physicall bodies, a Metaphysicall composition. pag. 24.

CHAP. IV.

Of the foure first qualities: and of the foure Elements. pag. 26.

§. 1.

The notions of density and rarity haue a latitude capable of infinite variety. ibid.

§ 2. How moystnesse and drynesse are begotten in dense bodies.

pag. 27.

§. 3.

How moystnesse and drynesse are begotten in rare bodies. pag. 28.

§. 4.

Heate is a property of rare bodies, and cold of dense ones. pag. 28.

§. 5.

Of the two dense bodies, the lesse dense is more cold: but of the two rare ones, the lesse rare is lesse hoat. pag. 29.

§. 6.

The extreme dense body is more dry, then the extreme rare one. pag. 30.

§. 7.

There are but foure simple bodies: and these are rightly named Elements. ibid.

§. 8.

The Author doth nott determine whether euery element doth com∣prehend vnder its name one only lowest species, or many: nor whether any of them be found pure. pag. 31.

CHAP. V.

Of the operations of the Elements in generall. And of their Actiuities compared with one another. pag. 32.

§ 1. The first operation of the Elements is diuision, out of which resulteth locall motion.

ibid.

§. 2.

What place is: both notionally, and really. pag. 33.

§. 3.

Locall motion is that diuision, whereby a body chāeth its place. pag. 34.

§. 4.

The nature of quantity of it selfe is sufficient to vnite a body to its place. ibidem.

§. 5.

All operations amongst bodies, are eyther locall motion, or such as follow out of locall motion. pag. 35.

§. 6.

Earth compared to water in actiuity. pag. 36.

§. 7.

The manner whereby fire getteth in fewel: prooueth that it excee∣deth earth in actiuity. ibid.

§. 8.

The same is prooued by the manner, whereby fire cometh ut of fewell and worketh vpon other bodies. pag. 37.

CHAP. VI.

Of Light: what it is. pag. 39.

• ...

  §. 1.

  In what sense the Author reiecteth qualities. ibid.

  §. 2.

  In what sense the Author doth admitt of qualities. pag. 40.

  §. 3.

  Fiue arguments proposed to proue that light is not a body. pag. 41.

  §. 4.

  The two first reasons to proue light to be a body are, the resemblance it hath with fire; and because if it were a quality, it would alwayes produce an equall to it selfe. pag. 42.

  §. 5.

  The third reason; because if we imagine to our selues the substance of fire to be rarifyed, it will haue the same appearences which light hath. pag. 43.

  §. 6.

  The fourth reason, from the manner of the genertion and corruption of light, which agreeth with fire. ibid.

  §. 7.

  The fifth reason; because such properies belong to light as agree only vnto bodies. pag. 45.

CHAP. VII.

Two objections answered against light being fire, a more ample proofe of its being such. ibid.

§. 1.

That all light is hoat and apt o heate. ibid.

§. 2.

The reason why our bodies for the most part do not feele the heate of pure light. pag. 46.

§. 3.

The experience of burningglasses, and of soultry gloomy weather, proue light to be fire. pag. 48.

§. 4.

Philosophers ought not to be iudge ot thinges by the rules of vulgar people. ibidem.

§. 5.

the different names of light and fire proceede from different notions of the same substance. pag. 49.

§. 6.

The reason why many times fire and heate are depriued of light. pag. 50.

§. 7.

What becometh of the body of light, when it dyeth ibid.

§. 8.

An experiment of some who pretend, that light may be precipitated into pouder. pag. 51.

§. 9.

The Authors opinion concerning lampes, pretended to haue been found in tombes, with inconsumptible lights. ibid.

CHAP. VIII.

An answere to three other objections formely proposed, against light being a substance. pag. 53.

§. 1.

Light is not really in euery part of the roome it enlighteneth, nor filleth entirely any sensible part of it, though it seeme to vs to do so. ibid.

§. 2.

Tha least sensible poynt of a diaphanous body, hath roome sufficient to containe both ayre and light, together with a multitude of beames issuing from seuerall lights, without penetrating one another. pag. 54.

§. 3.

That light doth not enlighten any roome in an instant; and that the great celerity of its motion doth make it inperceptible to our senses. pag. 56.

§. 4.

The reason why the motion of light, is not discerned comingtowardes vs; and that there is some reall tardity in it. pag. 58.

§. 5.

The planets are not certainely euer in that place where they appeare to be. pag. 59.

• ...

  §. 6. The reason why light being a body, doth not by its motion shatter other bodies into pieces.

  ibid.

  §. 7.

  The reason why the body of light is neuer perceiued to be fanned by the wind. pag. 61.

  §. 8.

  The reasons, for, and against lights being a body, compared together. pag. 62.

  §. 9.

  A summary repetition of the reasons, which prooue that light is fire. ibidem.

CHAP. IX.

Of locall Motion in common. pag 63.

§. 1.

No locall motion can be performed without succession. ibid.

§. 2.

Time is the common measure of all succession. pag. 64.

§. 3.

What velocity is, and that it can not be infinite. ibid.

§. 4.

No force so litle, that is not able to moue the greatest weight imaginable. pag. 65.

§. 5.

The cheife principle of Mechanikes deduced out of the former discourse. pag. 66.

§. 6.

No moueable can passe from rest to any determinate degree of velocity, or from a lesser degree to a greater, without passing through all the intermediate degrees, which are below the obtained degree. pag. 67.

§. 7.

The conditions which helpe to motion, in the moueable are three, in the medium, one. pag 69.

§. 8.

No body hath any intrinsecall vertue to moue it selfe towardes any determinate part of the vniuerse. pag. 70.

§. 9.

The encrease of motion is alwayes made in the proportion of the odde numbers. ibid.

§. 10.

No motion can encrease for euer without coming to a periode. pag. 72.

§. 11.

Certaine problemes resolued concerning the proportion of some mouing Agents compared to their effects. pag 73.

§. 12.

When a moueable cometh to rest, the motion doth decrease according to the rules of encrease. pag. 75.

CHAP. X.

Of Grauity and Leuity; and of Locall Motion, commonly termed Naturall. pag. 76.

§. 1.

Those motions are called naturall, which haue constant causes; and those violent, which are contrary to them. ibid.

§. 2.

The first and most generall operation of the sunne, is the making and raising of atomes. ibid.

§. 3.

The light rebounding from the earth with atomes, causeth two streames in the ayre; the one ascending the other descending; and both of them in a perpendicular line. pag. 77.

§. 4.

A dense body placed in the ayre betweene the ascending and descen∣ding streame, must needes descend. pag. 78.

§. 5.

A more particular explication of all the former doctrine touching grauity. pag. 79.

• ...

  §. 6. Grauity and leuity do not signify an intrinsecall inclination to such a motion in the bodies themselues which are termed heauy and light.

  pag. 81.

  §. 7.

  The more dense a body is, the more swiftly it descendeth. ibid.

  §. 8.

  The velocity of bodies descending doth not encrease in proportion to the difference that may be betweene their seuerall densities. pag. 82.

  §. 9.

  More or lesse grauity doth produce a swifter or a slower descending of a heauy body. Aristotles argument to disproue motion in vacuo, is made good. pag. 84.

  §. 10.

  The reason why att the inferiour quarter of a circle, a body doth descend faster by the arch of that quarter, then by the chord if it. pag. 85.

CHAP. XI.

An answere to objections against the causes of naturall motion, auowed in the former chapter; and a refutation of the contrary opinion. pag. 86.

§. 1.

The first obiection answered; why a hollow body descendeth slower then a solide one. pag. 86.

§. 2.

The second obiection answered, and the reasons shewne, why atomes do continually ouertake the descending dense body. pag. 88.

§. 3.

A curious question left vndecided. pag. 89.

§. 4.

The fourth obiection answered; why the descent of the same heauy bodies, is equall in so great inequality of the atomes which cause it. ibidem.

§. 5.

The reason why the shelter of a thicke body doth not hinder the descent of that which is vnder it. pag. 91.

§. 6.

The reason why some bodies sinke, others swimme. pag. 92.

§. 7.

The fifth obiection answered concerning the descending of heauy bodies in streames. pag. 93.

§. 8.

The sixt obiection answered: and that all heauy elements do weigh in their owne spheres. pag. 95.

§. 9.

The seuenth obiection answered: and the reason why we do not feele the course of the ayre and atomes that beate continually vpon vs. ibidem.

§. 10.

How in the same body, grauity may be greater then density, and density then grauity; though they be the same thing. pag. 96.

§. 11.

The opinion of grauities being an intrinsecall inclination of a body to the center, refuted by reason. pag, 97.

§. 12.

The same opinion refuted by seuerall experiences. pag. 98.

CHAP. XII.

Of Violent Motion. pag. 100.

§. 1.

The state of the question touching the cause of violent motion. ibid.

§. 2.

That the medium is the onely cause, which continueth violent motion. ibidem.

§. 3.

A further explication of the former doctrine. pag. 101.

§. 4. That the ayre hath strength enough to continue violent motion in a

• ...

  moueable.

  pag. 102.

  §. 5.

  An answere to the first obiection; that ayre is not apt to conserue motion▪ And how violent motion cometh to cease. pag 103.

  §. 6.

  An answere to the second obiection; that the ayre hath no power ouer heauy bodies. pag. 104.

  §. 7.

  An answere to the third obiection, that an arrow should fly faster broad∣wayes then long wayes. pag. 105.

CHAP. XIII.

Of three sortes of violent motion, Reflexion, Vndulation, and Refraction. pag. 106.

§. 1.

That reflexion is a kind of violent motion. ibid.

§. 2.

Reflection is made at equall angles. ibid.

§. 3.

The causes and properties of vndulation. pag. 107.

§. 4.

Refraction at the entrance into the reflectent body is towardes the perpendicular; at the going out it, is from it; when the second superficies is parallel to the first. pag. 108.

§. 5.

A refutation of Monsieur Des Cartes his explication of refraction pag. 109.

§. 6.

An answere to the arguments brought in fauour of Monsieur Des Cartes his opinion. pag. 111.

§. 7.

The true cause of refraction of light both at its entrance, and at its going out from the reflecting body. pag. 112.

§. 8.

A generall rule to know the nature of reflection and refractions in all sortes of surfaces. pag. 113.

§. 9.

A body of greater partes and greater pores, maketh a greater refraction then one of lesser partes and lesser pores. pag. 114.

§. 10.

A confirmation of the former doctrine, out of the nature of bodies that refract light. pag. 115.

CHAP. XIV.

Of the composition, qualities, and generation of Mixed bodies. pag. 116.

§. 1.

The connexion of this chapter with the rest, and the Authors intent in it. ibid.

§. 2.

That there is a least cise of bodies; and that this least cise is found in fire. pag. 117.

§. 3.

The first coniunction of partes is in bodies of least cise; and it is made by the force of Quantity. ibid.

§. 4.

The second sort of coniunction, is compactednesse in simple Elements, and it procedeth from density. pag. 118.

§. 5.

The third coniunction is of parres of different Elements, and it proceedeth from quantity and density together. ibid.

§. 6.

The reason why liquide bodies do easily ioyne together; and dry ones difficultly. pag. 119.

§. 7.

That no two hard bodies can touch one an other immediately. ibid.

§. 8.

How mixed bodies are framed in generall. pag. 121.

• ...

  §. 9. The cause of the seuerall degrees of solidity in mixed bodies.

  ibid.

  §. 10.

  The rule where vnto are reduced all the seuerall combinations of Ele∣ments in compounding of mixed bodies. pag. 122.

  §. 11.

  Earth and water are the basis of all permanent mixed bodies. pag. 123.

  §. 12.

  What kind of bodies those are where water is the basis, and earth the predominant Element ouer the other two. ibid.

  §. 13.

  Of those bodies, where water being the basis ayre is the predominant Element. ibid.

  §. 14.

  What kind of bodies result, where water is the basis and fire the predo∣minant Element. pag. 124.

  §. 15.

  Of those bodies, where water is in excesse, it alone being both the basis, and the predominant Element. pag. 125.

  §. 16.

  Of those bodies, where Earth alone is the basis, and also the predominant in excesse ouer the other three Elements. ibid.

  §. 17.

  Of those bodies where Earth is the basis, and water the predominant Element ouer the other two. ibid.

  §. 18.

  Of those bodies, where earth being the basis ayre is the predominant. ibid.

  §. 19.

  Of those bodies, where Earth being the basis, fire is the predominant. pag. 126.

  §. 20.

  All the secōd qualities of mixed bodies, arise from seuerall combinations of the first qualities: and are att last resolued into seuerall degrees of rarity and density. ibid.

  §. 21.

  That in the planets and starres there is a like variety of mixed bodies cause by light as here vpon Earth. pag. 127.

  §. 22.

  In what manner the Elements do worke vpon one an other, in the composition of mixed bodies: and in particular fire which is the most actiue. ibid.

  §. 23.

  A particular declaration touching the generation of mettalls. pag. 128.

CHAP. XV.

Of the dissolution of Mixed bodies. pag. 130.

§. 1.

Why some bodies are brittle, and others tough, or apt to withstand outward violence the first instrument to dissolue mixed bodies. ibid.

§. 2.

How outward violence doth worke vpon the most compacted bodies. pag. 131.

§. 3.

The seueral effects of fire, the second and chiefest instrument to dissolue all compounded bodies. ibid.

§. 4.

The reason why some bodies are not dissolued by fire. pag. 132.

§. 5.

The reason why fire melteth gold, but can not consume it. ibid.

§. 6.

Why leade is easily consumed and calcined by fire. pag. 133.

§. 7.

Why and how some bodies are diuided by fire into spirits, waters, oyles saltes and earth. And what those partes are. ibid.

§. 8.

How water the third instrument to dissolue bodies, dissolueth calx into salt; and so into Terra damnata. pag. 135.

§. 9. How water mingled with salt, becometh a most powerfull Agent to

• ...

  dissolue other bodies.

  pag. 136.

  §. 10.

  How putrefaction is caused. ibid.

CHAP. XVI.

An explication of certaine Maximes touching the operations, and qualities of bodies: and whether the Elements be found pure in any part of the world. pag. 137.

§. 1.

What is the sphere of actiuity in corporeall Agents. ibid.

§. 2.

The reason why no body can worke in distance. pag. 138.

§. 3.

An obiection answered against the manner of explicating the former axiome. pag. 139

§. 4.

Of reaction: and first in pure locall motion, that each Agent must suffer in acting and acte in suffering. ibid.

§. 5.

The former doctrine applyed to other locall motions designed by particular names. And that Suisseths argument is of no force against this way of doctrine. pag. 141.

§. 6.

Why some notions do admitt of intension and Remission; and others do not. ibid.

§. 7.

That in euery part of our habitable world; all the foure Elements, are found pure in small atomes; but not in any great bulke. pag. 142.

CHAP. XVII.

Of Rarefaction and Condensation the two first motions of particular bodies. pag. 144.

§. 1.

The Authors intent in this and the following chapters. ibid.

§. 2.

That bodies may be rarifyed, both by outward heat; aud how this is performed. pag. 145.

§. 3.

Of the great effects fo Rarefaction. pag. 147.

§. 4.

The first manner of condensation, by heate. pag. 148.

§. 5.

The second manner of condensation by cold. pag. 149.

§. 6.

That yce is not water rarifyed but condensed. pag. 151.

§. 7.

How wind, snow, and haile are made; and wind by raine allayed. pag. 152.

§. 8.

How partes of the same or diuers bodies, are ioyned more strongly together by condensation. pag. 153.

§. 9.

Vacuites can not be the reason, why water impregnated to the full with one kind of salt, will notwithstanding receiue more of an other. pag. 154.

§. 10.

The true reason of the former effect. pag. 155.

§. 11.

The reason why bodies of the same nature do ioyne more easily together then others. pag. 156.

CHAP. XVIII.

Of an other motion belonging to particular bodies, called Attraction; and of certaine operations, termed Magicall. pag. 157.

§. 1.

What Attraction is, and from whence it proceedeth. ibid.

§. 2.

The true sense of the Maxime, that Nature abhorreth from vacuity. pag. 158.

• ...

  §. 3. The true reason of attraction.

  pag. 159.

  §. 4.

  Water may be brought by the force of attraction to what height soeuer. pag. 160.

  §. 5.

  The doctrine touching the attraction of water in syphons. ibid:

  §. 6.

  That the syphon doth not proue water to weigh in its owne orbe. pag. 161.

  §. 7.

  Concerning attraction caused by fire. pag. 162.

  §. 8.

  Concerning attraction made by vertue of hoat bodies, amulets etc. pag. 163.

  §. 9.

  The naturall reason giuen for diuers operations, esteemed by some to be magicall. ibid.

CHAP. XIX.

Of three other motions belonging to particular bodies Filtration, Restitution, and Electricall attraction. pag. 166.

§. 1.

What is Filtration; and how it is effected. ibid.

§. 2.

What causeth the water in filtration to ascend. pag. 167.

§. 3.

Why the filter will not droppe vnlesse the labell hang lower then the water. ibid.

§. 4.

Of the motion of Restitution: and why some bodies stand bent, others not. pag. 168.

§. 5.

Why some bodies returne onely in part to their natural figure; others entirely. pag. 170.

§. 6.

Concerning the nature of those bodies which do shrinke and stretch. pag. 171.

§. 7.

How great and wonderfull effects, proceed from small, plaine, and simple principles. ibid.

§. 8.

Concerning Electricall attraction, and the causes of it. pag. 172.

§. 9.

Cabeus his opinion refuted concerning the cause of Electricall motions. pag. 174.

CHAP. XX.

Of the Loadestones generation; and its particular motions. pag. 175.

§. 1.

The extreme heat of the sunne vnder the zodiake, draweth a streame of ayre from each Pole into the torride zone. ibid.

§. 2.

The atomes of these two streames coming together are apt to incor∣porate with one an other. pag. 176.

§. 3.

By the meeting and mingling together of these streames att the Equator, diuers riuolets of atomes of each Pole, are continuated from one Pole to te other. pag. 177.

§. 4.

Of these atomes incorporated with some fitt matter in the bowels of the earth, is made a stone. pag. 179.

§. 5.

This stone worketh by emanations, ioyned with agreeing streames that meete them in the ayre; and in fine it is a loadestone. ibid.

§. 6.

A methode for making experiences vpon any subiect. pag. 181.

§. 7. The loadestones generation by atomes flowing from both Poles, is

• ...

  confirmed by experiments obserued in the stone it selfe.

  ibid.

  §. 8.

  Experiments to proue that the loadestone worketh by emanations▪ meeting with agreeing streames. pag. 182.

CHAP. XXI.

Positions drawne out of the former doctrine, and confirmed by experimentall proofes. pag. 185.

.1. The operations of the loadestone are wrought by bodies and not by qualities.

ibid.

§. 2.

Obiections against the former position answered. pag. 186.

§. 3.

The loadestone is imbued with his vertue from an other body. ibid.

§. 4.

The vertue of the loadestone is a double, and not one simple vertue. 188.

§. 5.

The vertue of the laodestone worketh more strongly in the Poles of it then in any other part. ibid.

§. 6.

The laodestone sendeth forth its emanations spherically. Which are of two kindes: and each kind is strongest in that hemisphere, through whose polary partes they issue out. ibid.

§. 7.

Putting two loadestones within the sphere of one an other, euery part of one laodestone, doth not agree with euery part of the other loadestone. pag 189.

§. 8.

Concerning the declination and other respects of a needle, towardes the loadestone it toucheth. ibid.

§. 9.

The vertue of the laodestone goeth from end to end in lines almost paralelle to the axis. pag. 191.

§. 10.

The vertue of loadestone is not perfectly sphericall though the stone be such. pag. 192.

§. 11.

The intention of nature in all the operations of the loadestone, is to make an vnion betwixt the attractiue and attracted bodies. ibid.

§. 12.

The maine globe of the earth is not a loadestone. ibid.

§. 13.

The laodestone is generated in all partes or climats of the earth. pag. 193.

§. 14.

The conformity betwixt the two motions of magnetike thinges, and of heauy thinges. ibid.

CHAP. XXII.

A solution of certaine Problemes concerning the loadestone, and a short summe of the whole doctrine touching it. pag. 194.

§. 1.

Which is the North, and which the South Pole of a loadestone. ibid.

§. 2.

Whether any bodies besides magnetike ones be attractiue. ibid.

§. 3.

Whether an iron placed perpendicularly towardes the earth doth gett a magneticall vertue of pointing towardes the north, or towardes the south in that end that lyeth downewardes. pag. 195.

§. 4.

Why loadestones affect iron better then one an other. ibid.

§. 5.

Gilberts reason refuted touching a capped loadestone, that taketh vp more iron then one not capped; and an iron impregnated that in some case draweth more strongly then the stone it selfe. ibid.

§. 6.

Galileus his opinion touching the former effects refuted. pag. 196.

§. 7.

The Authors solution to the former questions. pag. 197.

• ...

  §. 8. The reason why in the former case, a lesser loadestone doth draw the interiacent iron from the greater.

  pag. 198.

  §. 9.

  Why the variation of a touched needle from the north, is greater, the neerer you go to the Pole. pag. 199.

  §. 10.

  Whether in the same part of the world a touched needle may att one time vary more from the north and att an other time lesse. pag. 200.

  §. 11.

  The whole doctrine of the loadestone summed vp in short. pag. 201.

CHAP. XXIII.

A description of the two sortes of liuing creatures; Plantes, and Animals: and how they are framed in common to performe vitall motion. pag. 203.

§. 1.

The connexion of the following Chapters with the precedent ones. ibid.

§. 2.

Concerning seuerall compositions of mixed bodies. pag. 204.

§. 3.

Two sortes of liuing creatures. pag. 205.

§ 4. An engine to expresse the first sort of liuing creatures.

ibid.

§. 5.

An other engine by which may be expressed the second sort of liuing creatures. pag. 207.

§. 6.

The two former engines and some other comparisons applyed to ex∣presse the two seuerall sortes of liuing creatures. ibid.

§. 7.

How plantes are framed. pag. 209.

§. 8.

How sensitiue creatures are formed. pag. 210.

CHAP. XXIV.

A more particular suruay of the generation of Animals; in which is discouered what part of the animal is first generated. pag. 213,

§. 1.

The opinion that the seede containeth formally euery part of the parent. ibid.

§. 2.

The former opinion reiected. pag. 214.

§. 3.

The Authors opinion of this question. pag. 215.

§. 4.

Their opinion refuted, who hold that euery thing containeth formally all thinges. pag. 216.

§. 5.

The Authors opinion concerning the generation of Animals declared, and confirmed. pag. 217.

§. 6.

That one substance is changed into an other. pag. 219.

§. 7.

Concerning the hatching of chickens, and the generation of other Animals. pag. 220.

§. 8.

From whence it happeneth that the deficiences, or excrescences of the parents body, are often seene in their children. pag. 221

§. 9.

The difference betweene the Authors opinion, and the former one. p. 222

§. 10.

That the hart is imbued with the generall specifike vertues of the whole body; whereby is confirmed the doctrine of the two former para∣graphes. pag. 223.

§. 11.

That the hart is the first part generated in a liuing creature. pag. 225.

CHAP. XXV.

How a Plant or Animal cometh to that figure it hath. pag. 226.

• ...

  §. 1.

  That the figure of an Animal is produced by ordinarie second causes, as well as any other corporeall effect. pag. 226.

  § 2. That the seuerall figures of bodies proceed from a defect in one of ••he three dimensions, caused by the concurrance of accidentall causes.

  pag. 227

  §. 3.

  The former doctrine is confirmed by seuerall instances. pag 228

  § 4. The same doctrine applyed to Plantes.

  pag. 229

  §. 5.

  The same doctrine declared in leafes of trees. ibid.

  §. 6.

  The same applyed to the bodies of Animals pag. 230

  §. 7.

  In what sense the Author doth admitt of Vis formatrix. pag. 231

CHAP. XXVI.

How motion beginneth in liuing creatures. And of the motion of the hart; circulation of the bloud; Nutrition; Augmen∣tation; and corruption or death. pag. 232

§. 1.

Fromwhence doth proceed the primary motion and growth in Plantes. ibid.

§. 2.

Monsieur des Cartes his opinion touching the motion of the hart. p. 233

§. 3.

The former opinion reiected. ibid.

§. 4.

The Authors opinion concerning the motion of the hart. pag. 234

§. 5.

The motion of the hart dependeth originally of its fibers irrigated by bloud. pag. 236

§. 6.

An obiection answered against the former doctrine. pag. 237

§. 7.

The circulation of the bloud, and other effects that follow the motion of the hart. pag. 238

§. 8.

Of Nutrition. pag. 239

§. 9.

Of Augmentation. pag. 240

§. 10.

Of death and sicknesse. pag. 241

CHAP. XXVII.

Of the motions of sense; and of the sensible qualities in generall; and in particular of those which belong to Touch, Tast, and Smelling. pag. 242

§. 1.

The connexion of the subsequent chapters with the precedent. ibid.

§. 2.

Of the senses and sensible qualities in generall. And of the end for which they serue. ibid.

§. 3.

Of the sense of touching: and that both it and its qualities are bodies. 244

§. 4.

Of the tast and its qualities: that they are bodies. pag. 245

§. 5.

That the smell and its qualities are reall bodies. ibid.

§. 6.

Of the conformity betwixt the two senses of smelling and tasting. p. 246

§. 7.

The reason why the sense of smelling is not so perfect in man as in beastes: with a wonderfull historie of a man who could wind a sent as well as any beast. pag. 247

CHAP. XXVIII.

Of the sense of hearing, and of the sensible quality sound. p. 249

§. 1.

Of the sense of hearing: and that sound is purely motion. ibid.

§. 2. Of diuers artes belonging to the sense of hearing: all which confirme

• ...

  that sound is nothing but motion.

  pag. 250

  §. 3.

  The same is confirmed by the effects caused by great noises. pag. 251

  §. 4.

  That solide bodies may conueye the motion of the ayre or sound to the organe of hearing. pag. 252

  §. 5.

  Where the motion is interrupted there is no sound. ibid.

  §. 6.

  That not only the motion of the ayre but all other motions coming to our eares make sounds. pag. 253

  §. 7.

  How one sense may supply the want of an other. ibid.

  §. 8.

  Of one who could discerne sounds of words with his eyes. pag. 254

  §. 9.

  Diuers reasons to proue sound to be nothing els but a motion of some reall body. pag. 256

CHAP. XXIX.

Of Sight; and Colours. pag. 257

§. 1.

That Colours are nothing but light mingled with darkenesse; or the disposition off a bodies superficies apt to reflect light so mingled. ibid.

§. 2.

Concerning the disposition of those bodies which produce white or blacke coulours. pag. 259

§. 3.

The former doctrine confirmed by Aristotles authority, reason, and experience. ibid.

§. 4.

How the diuersity of coulours doe follow out of various degrees of rarity and density. pag. 260

§. 5.

Why some bodies are Diaphanous others opacous. pag. 261

§. 6.

The former doctrine of coulours confirmed by the generation of white and Blacke in bodies. pag. 262

CHAP. XXX.

Of luminous or apparente Colours. pag. 262

§. 1.

Apparitions of coulours through a prisme or triangular glasse are of two sortes. ibid.

§. 2.

The seuerall parts of the obiect make seuerall angles at their entrance into the prisme. pag. 263

§. 3.

The reason why some times the same obiect appeareth throwgh the prisme in two places: and in one place more liuely, in the other place more dimme. ibid.

§. 4.

The reason of the various colours that appeare in looking throwgh a prisme. pag. 264

§. 5.

The reason why the prisme in one position, may make the colours ap∣peare quite contrary to what they did, when it was in an other posi∣tion. pag. 265

§. 6.

The reason of the various colours in generall by pure light passing through a prisme. pag 266

§. 7.

Vpon what side euery colour appeareth that is made by pure light passing through a prisme. pag. 267

CHAP. XXXI.

The causes of certaine appearances in luminous Colours; with a conclusion of the discourse touching the senses and the sensible qualities. pag. 268

• ...

  §. 1.

  The reason of each seuerall colour in particular caused by light passing through a prisme. pag. 268

  §. 2.

  A difficult probleme resolued touching the prisme. pag. 270

  §. 3.

  Of the rainebow, and how by the colour of any body wee may know the composition of the body it selfe. pag. 272

  §. 4.

  That all the sensible qualities are reall bodies resulting out of seuerall mixtures of rarity and density. pag. 273

  §. 5.

  Why the senses are only fiue in number: with a conclusion of all the former doctrine concerning them. pag. 274

CHAP. XXXII.

Of sensation, or the motion whereby sense is properly exercised. 275

§. 1.

Monsieur des Cartes his opinion touching sensation. ibid.

§. 2.

The Authors opinion touching sensation. pag. 276

§. 3.

Reasons to persuade the Authors opinion. pag. 277

§. 4.

That vitall spiritts are the immediate instruments of sensation by conueying sensible qualities to the braine. pag. 278

§. 5.

How sound is conueyed to the braine by vitall spirits. pag. 279

§. 6.

How colours are conueyed to the braine by vitall spirits. pag. 280

§. 7.

Reasons against Monsieur des Cartes his opinion. ibid.

§. 8.

That the symptomes of the palsie do no way confirme Monsieur des Cartes his opinion. pag. 282

§. 9.

That Monsieur des Cartes his opinion, can not giue a good account, how thinges are conserued in the memory. ibid.

CHAP. XXXIII.

Of Memory. pag. 284

§. 1.

How thinges are conserued in the memory. ibid.

§. 2.

How thinges conserued in the memory are brought backe into the fantasie. pag. 285

§. 3.

A Confirmation of the former doctrine. pag. 286

§ 4. How thinges renewed in the fantasie, returne with the same circum∣stances that they had at first.

pag. 286

§. 5.

How the memory of thinges past is lost, or confounded: and how it is repaired againe. pag. 287

CHAP. XXXIV.

Of voluntary motion: Naturall faculties: and passions. pag. 288

§. 1.

Of what matter the braine is composed. ibid.

§. 2.

What is voluntary motion. pag. 289

§. 3.

What those powers are which are called naturall faculties. ibid.

§. 4.

How the attractiue and secretiue faculties worke. pag. 290

§. 5.

Concerning the concoctiue faculty. pag. 291

§. 6.

Concerning the retentiue and expulsiue faculties. ibid.

§. 7.

Concerning expulsion made by Physicke. pag. 292

§. 8.

How the braine is moued to worke voluntary motion. pag. 292

§. 9.

Why pleasing obiects doe dilate the spirits, and displeasing ones contract them. pag. 294

• ...

  §. 10. Concerning the fiue senses for what vse and end they are.

  ibid.

CHAP. XXXV.

Of the materiall instrument of Knowledge and Passion; of the seuerall effects of Passions; of Paine and Pleasure; and how the vitall spirits are sent from the braine into the intented partes of the body, without mistaking their way. pag. 296

§. 1.

That Septum Lucidum is the seat of the fansie. ibid.

§. 2.

What causeth vs to remember not only the obiect it selfe, but also that we haue thought of it before. pag. 297

§. 3.

How the motions of the fantasie, are deriued to the hart. ibid.

§. 4.

Of paine and pleasure. pag. 298

§. 5.

Of Passion. ibid.

§. 6.

Of seuerall pulses caused by passions. pag. 299

§. 7.

Of seuerall other effects caused naturally in the body by passions. p. 300

§. 8.

Of the diaphragma. pag. 302

§. 9.

Concerning paine and pleasure caused by the memory of thinges past. pag. 303

§. 10.

How so small bodies as atomes are, can cause so great motions in the hart. pag. 304

§. 11.

How the vital spirits sent from the braine, do runne to the intended part of the body without mistake. ibid.

§. 12.

How men are blinded by Passion. pag. 305

CHAP. XXXVI.

Of some actions of beastes, that seeme to be formall actes of reason, as doubting, resoluing, inuenting. pag. 306

§. 1.

The order and connexion of the subsequent Chapters. ibid.

§. 2.

From whence proceedeth the doubting of beastes. pag. 307

§. 3.

Concerning the inuention of Foxes and other beastes. ibid.

§. 4.

Of foxes that catch hennes by lying vnder their roost, and by gazing vpon them. pag. 309

§. 5.

From whence proceedeth the foxes inuention to ridde himselfe of fleas. pag. 311

§. 6.

An explication of two other inuentions of foxes. pag. 312

§. 7.

Concerning Mountagues argument to prooue that dogges make syl∣logismes. ibid.

§. 8.

A declaration how some tricks are performed by foxes, which seeme to argue discourse. pag. 313

§. 9.

Of the Iaccatrays inuention in calling beastes to himselfe. pag. 314

§. 10.

Of the Iaccalls designe in seruing the lyon. ibid.

§. 11.

Of seuerall inuentions of fisshes. ibid.

§. 12.

A discouery of diuers thinges done by hares, which seeme to argue discourse. pag. 315

§. 13.

Of a foxe reported to haue weighed a goose, before he would venture with it ouer a riuer; and of fabulous stories in common. pag. 316

§. 14. Of the seuerall cryings and tones of beastes: with a refutation of those

• ...

  authours who maintaine them to haue compleat languages.

  pag. 317

CHAP. XXXVII.

Of the docility of some irrationall animals; and of certaine continuate actions of a long tract of time so orderly performed by them, that they seeme to argue knowledge in them. pag. 319

§. 1.

How hawkes and other creatures are taught to doe what they are browght vp to. ibid.

§. 2.

Of the Baboone that played on a guitarre. 320

§. 3.

Of the teaching of Elephantes and other beastes to doe diuers tricks. 321

§. 4.

Of the orderly traine of actions performed by beastes in breeding their young ones. pag. 322

CHAP. XXXVIII.

Of prescience of future euentes, prouidencies, the knowing of thinges neuer seene before; and such other actions, obserued in some liuing creatures; which seeme to be euen aboue the reason that is in man himselfe. pag. 327

§. 1.

Why beastes are affraide of men. ibid.

§. 2.

How some qualities caused at first by chance in beastes, may passe by generation to the whole offspring. pag. 328

§. 3.

How the parents fantasie doth oftentimes worke strange effects in their issue. pag. 329

§. 4.

Of Antipathies. pag. 330

§. 5.

Of Sympathies. pag. 333

§. 6.

That the Antipathy of beastes towards one an other, may be taken away by assuefaction. pag. 334

§. 7.

Of longing markes seene in children. pag. 335

§. 8.

Why diuers men hate some certaine meates, and particularly cheese. 336

§. 9.

Corcerning the prouidence of Aunts in laying vp in store for winter. 337

§. 10.

Concerning the foreknowing of beastes. pag. 338

The Conclusion of the first Treatise.

pag. 340