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Of diseases of the head, and first of the Apoplexie or falling evill.
HAuing in purpose to treate of the diseases wherewith hawkes those silly birdes are vexed in their heades, I must do you to know, that vnder the name and tearme of the head, I doe not onely comprise that part that containeth the braine, but also the eares, eyes, beake, or chap, nares, & mouth of the hawke: al which parts are subiect to sundry diseases and euils. But first of all, I meane to speake of the chiefest, and most principall part of all the rest, & of such maladies as light vpon the braine, and after that, of such as happen to the ex∣ternall and outward parts of the hawkes head. Among all which infirmities and griefs, I account the Apoplexie (whom the Italians call Gozza) the greatest and most perillous, as the which doth ordinarily cause and bring sodaine death.
This mischiefe doth commonly befall hawkes, by meane of too much grease, and store of blood, for that at that time ther doth happily breake some one vaine or other in the braine, which doth fill some concauity or hollow cell of the braine wt blood, in which Cels, (as the learned do imagine and affirme) the animal spirites are engendered, and haue their beginning. Without which animall spirits, no liuing creature can eyther haue sense or mouing. Whereupon it doth follow of very ne∣cessity, and by a méere consequent, that the passage of those spirites being shut vp, and intercluded, the creature whatsoe∣uer it be, must die.
Againe, it may happen, for that the Hawke hath béene sette too long in the heat of the Sunne, for by that occasion there may bee so much humidity and moist humor drawne vp into the braine, as may engender this euill, and procure this mis∣chiefe in the hawke.
Moreouer it may chance by making a long flight at a Fea∣sant or Partridge, in the heat of the day, by meane of which the hawke hath surcharged her selfe with ouermuch trauaile.