10^ Orang'-Outang five Homo Sj/keflris : Or, 



J. The Cone of the Heart. 



K. The right Ventricle of the Heart here opened, fo that part of the 

 Pol)ip/0 contained there, came in view. 



L. Part of the Ferkardium, on the Bajts or upper part of the Heart, 



M. M. The Thymus^ lying on the Pericardiu/u. 



2V,The MediafiinHtft freed from the Stermm.mi turn'd to the right fide. 



0. 0. The two Subclavian Arteries. 



P. The Carotid Arteries. 



^he eleventh Figure 



Shews the FoJypus or Coagulated Blood found in the left Fen- 



tide of the Heart, 



A. ''nr^H A T part contained in the Ventricle, 



i B. Three Impreflions, formed by the Semihmary Valves. 



C. That part, that lay in the Aorta. 



D. That part that paifed into the defcending Trunk of the Aorta. 



E. Thofe Ramiili of it that lay in the afcendent Branches of the Aorta. 



The twelfth Figure 



The Polypus found in the right Ventricle of the Heart, 



J. '*~T^ HAT part contained in the Ventricle. 



J_ B. The Impreflions made by the ValvuU Jigmoides. 

 C. The Branches leading to the right and left Lobes of the Lungs. 



The thirteenth Figure 



Reprefents the Bafts of the Brain with the Mednlla Oblongata^ 

 and the Nerz/es and Arteries cut off 



A A. "^T"^ H E tvvo anterior or fore Lobes of the Brain. 



I B. B. The two pojierior or hinder Lobes of the Brain. 



a.a, Two depreffions in the fore Lobes caufed by the rifing of the Fron- 

 tal bone, that compofes the upper part of the Orbit of the Ejie--^ which 

 in this Animal^ and in Monkeys, is more eminent than in Man. 



b. b. The divifion of the right and left Hemij^here of ihzBrain^ where 

 the Falx is placed. This fore-part of the Brain in this Animal appeared 

 fomewhat flatter than in Man. 



C. C. The Cerebellum. 



D. The Princifium Medul/a Spinalis, or that part of the Caudex Me- 



dullarkf 



