Ephemeri vita, or, The natural history and anatomy of the Ephemeron, a fly that lives but five hours written originally in Low-Dutch by Jo. Swammerdam ...

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Ephemeri vita, or, The natural history and anatomy of the Ephemeron, a fly that lives but five hours written originally in Low-Dutch by Jo. Swammerdam ...
Swammerdam, Jan, 1637-1680.
London :: Printed for Henry Faithorne and John Kersey ...,

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Subject terms
Insects -- Anatomy.
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"Ephemeri vita, or, The natural history and anatomy of the Ephemeron, a fly that lives but five hours written originally in Low-Dutch by Jo. Swammerdam ..." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A62018.0001.001. University of Michigan Library Digital Collections. Accessed May 20, 2024.


The Explanation of the Fourth Table.
Figures 1, 4, & 7.

LL. SOme branches of the air-vessels, AA. represented in the former plate, running to the Egg-cluster, or Ovarium.

MM. The air-vessels as they are seen in, and upon the film which covers the Egg-cluster.

N. The same air-vessels toge∣ther with a part of the egg-cluster, taken out of the body; where ve∣ry neatly is represented how these air-vessels are joyned to the Eggs, like as the stalk of a bunch of grapes is joyned to each grape.

OOOO. The air-vessels run∣ning to the heart; where I have not delineated all the vessels, which are sent from the two great trunks of the air-vessels AA, to prevent confusion, by reason of the very great number that run thereto.

TT. Apart of the heart which here and there swelleth out; its natural place in the body is in the back, and runs along the whole back.

VVVV. Some air-vessels cut and broke off which run to the heart and other parts.

XXXX. The parts where the heart swelleth out and wideneth.

cc. The Muscles moving the Six Gills, and five Finns placed on each side of the body, to which do run considerable Nerves to communicate to the same, life and motion.

ff. The Stomach and the Guts, as they appear and swell through the Egg-cluster; the Stomach and Guts are very neatly represented in the 5th figure of this same Ta∣ble.

g. The form or shape of the Eggs, which are flattish and ob∣long round.

ii. The Muscles of the Rectum, or straight Gut, which serves for

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ejecting out of the body, the superfluities of the inward parts.

Figure 2.

Representeth the Eggs of the Ephemeron, as the same appear to the naked sight without help of a Microscope, whereas all the other parts have been viewed and delineated by help of the Microscope.

Figure 3.

Representeth the double Egg-cluster of the Worm, made up of an infinite number of very small Eggs, which at the time when the Worm is changed into the Ephemeron, and flyeth on the Surface of the water, are by the Female shot out on the water, and are besprinkled by the Male Seed. So that these Insects are Generated without Copulation.

Figure 4.

The Explanation of this Fi∣gure is comprehended in the ex∣planation of the first Figure of this plate.

Figure 5.

A. A part of the throat-gut, or Gula, (which conveyeth the food into the Stomach) cut off close to the same.

B. The lower Orifice of the Stomach or Pylorus, through which the food is sent into the Guts.

C. The Stomach it self where∣in are represented some of its air-vessels which run thereto from the great Trunk, as they are represented in the first Fi∣gure of the third Plate. AA.

DD. The thin gut, which is as a branch of the Stomach, im∣mediately annexed thereto, so that the Stomach as it were nar∣roweth into the same.

E. The thick or crumpled gut, wherein some long strokes or striae are observable, which from within appear through it.

F. The straight gut, which ap∣peareth very neatly rimpled.

G. Some transparent Valves, like half moons, which appear in the thin gut, and are seen through it.

4.5.6. &c. These Figures denote eleven of those annular divisions of the body of the Worm; and also shew where the Stomach and the Guts have their natural place.

Figure 6.

The Brain, the Medulla spi∣nalis, and the Nerves arising out of the same are here represent∣ed, according to the life; so that the Nerves of the Medulla spi∣nalis appear not so gaping, as is represented in the first Figure of the 3d plate YY. for there they are represented, as they appear in a Microscope, when with a fine Needle, they are separated, which can easily be done without cutting or tearing.

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1, 2, 3. &c. The Figures, 1, 2, 3, &c. represent the natural place and posture of the Medulla spinalis in the body; and in what manner it is distinguished by the Ring-like indentings, in relation to the head, breast and belly.

Figure 7.

The Explanation hereof is contained in the Explanation of the first Figure of this plate.

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