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sir CHRISTOPHER WREN, knt.

But I am fain, in this Letter, to do like some Chymist, who when Pro-jection (his fugitive darling) hath left him threadbare, is forced to fall tovulgar Preparations to pay his Debts.---

My Lord, I am,

Tours, &c.

Chr. Wren.

PART I.

SECT. II.

Of Anatomy , Akc.

D R. Wren assisted Dr. Willis, in his excellent Treatise of the Anatomyof the Brain, in the Manner which the learned Author has thus testi-fy’d in his Preface to that Work, viz.

Pratersuppetias ab hujus manu (DoSloris Lower) in dijfecando peritifima alia- Cerebri Ana-f as, celare non decet, quantas infuper acceperim a viris clariflhms Domino Tho. t °J ne > Lond -Millington, M. D. nec non a Domino Christophoro Wren, LL. D. & Ajlrono - 1 + ‘mia prose fore Saviliano ; qui utrique difjeftionibus nojlris crebro interefe, £5?tired partium ufus rationes confer re folebant. Porro prior ille vir dociifimus,cui privato obfervatiojies meas, & conjedluras, de die in diem proponebam,

*ne ammo incertum, & propria fententia minus fdentem, fujfragiis Juis fapkconfrmabat. Cætcriim alter vir infignifimus Doctor Wren, pro fingulari quatoilet humanitate plurimas cerebri & calvarice figuras, quo exaSliores ef entopera, eruditiflimis f u i s manibus delineare non suit gravatus.

Dr. Willis' s Method of dissecting the Brain, (wherein he had the Assistance Dr.PIot’*»«t:of the deservedly famous Sir Christopher Wren, Dr. Millington, &c.) is new, fjfg °f ° x '^nd most natural, and so exact, that there is scarce any one Part in it, but r ’ ' iouWhat has receiv’d considerable Advancements.

Among divers new Experiments in Anatomy, which he exhibited at theMeetings at Oxford, were Schemes of several Fissies dissected, in which the^abrick of the Parts appear’d very often irregular, and differing much bothf l 'orn Brutes, and one another. Several Things he obferv’d very considerable! n Fowls. Some Parts of Animals he more exactly trae’d by the Help ofpiaffes, as the Kidneys, the Plexus in the Brain, &c. The Nerves he found toWe little Veins and Arteries in them. He then found the Lymphæducts to%pty themselves into the Receptacle of Chyle, from all Parts both of theWvels and Limbs, &c.

" He was the first Author of the noble anatomical Experiment of injeSl- Sprat’* Hi/.

' ing Liquors into the Veins of Animals. An Experiment now vulgarly °( *! } ‘ Ro >'* 1t ' known; but long since exhibited to the Meetings at Oxford, and thencecarried by some Germans, and publissi’d abroad: by this Operation, diversCreatures were immediately purg’d, vomited, intoxicated, kill’d, or re-viv’d according to the Quality of the Liquor injected. Hence arose manynew Experiments, and chiefly that of transfusing Blood, which the So-°iety has prosecuted in sundry Instances, that will probably end in extraordi-nary Success.

It