3 2 I'he Anatomy <?/ ^ H O R S E. Chap. III. 



behind the Larynx. It has feveral Mufcles whereby it 

 ads, but thefe (hall be alfo treated of hereafter. 



TABLE III. Shewing all the Parts of the middle 

 Cavity, or Cheft. 



Fig. I . Reprefents thofe Parts in fitu. 



AA. The outward Teguments laid back. 



B. The Breaji-bone, and jome part of the Rib i alfo laid 

 back^ to /J)ew the Parts contained in the faid Cavity^ 



C. The great Kernel called Thymus. 



D. The Heart. 



EE. The right and left Lobes of the Lungs, 



F. The Mediaflinum. 



G. Part of the Midrif. 



Fig. 2. Shews the Vena Cava, and right Ventricle of the 

 Heart difleded. 



A. The Orifice of the Coronary Vein.. 



B. The treble-pointed Valves. 



CCC. The Fibres which faften the Ends of the Valves ti 



the Sub/lance of the Heart. 

 DD. The Sides of the Ventricle. 



Fig. 3. Shews the left Ventricle alfo opened lengthways, 

 to fhew its Valves. 



A. The Pulmonary PYin corning from the Lungs. 

 BB. The Valves called Miiralcs. 



Fig. 4. Shews the Lungs divefted of their Parenchyma, or 

 flelhy Subltance. 



A. The Larynx. 



B. The Windpipe. 



CCCC, &c. Its various branches. 

 DDDDD, &c. The innumerable little Bladders at the 

 Extremities of thefe Branches. 



CHAP. 



