AND PHYSIOLOGY. 193 



Fig. 196. 



Anatomy of the Common Snake. I. Tongue, ce. Esophagus, i. Stomach. i f . Small 

 Intestine, cl. Cloaca. /. Liver, o. Ovary, o'. Eggs. t. Trachea, p. p\ Lungs, vt. 

 Ventricle, e. e'. Auricles, a. ad. a f . Aorta, ae. Carotid Arteries, v. vc. Vena? Cavte. 

 Vp. Pulmonary Vein. 



inversions into several divisions with valve-like appendages 

 between them. 



352. Liver. — Fishes have usually a large soft Liver com- 

 pletely saturated with an oil. Its form is various, but is 



352. Speak of the Liver of fishes. 



