APPENDIX 293 



Trachea of the rat in a cross-section of the throat. 

 Trachea of the cat and dog, cross-sections. 

 Lung of the dog, longitudinal section of a lobule. 

 Digestive system: 

 Lip of the dog. 



Tongue of a fish (bass) and toad, longitudinal section. 

 Tongue of the frog, cross-sections. 

 Tongue of a rat, cross-section of the tip region. 

 Tongue of the cat, longitudinal section. 

 Tongue of the rabbit, cross-section of portion with foliate 



papillae. 

 Tongue of the cat in the region of the vallate papilla-. 

 Parotid and submaxillary glands of the woodchuck and cat. 

 Esophagus of a frog, cross-section. 

 Esophagus of a turtle, cross-section. 



Esophagus in a cross-section of the neck of an embryo cat. 

 Esophagus of a dog, cross-section of middle third. 

 Esophagus and stomach junction of the dog, longitudinal sec- 

 tion. 

 Stomach of the dogfish, cross-section. 

 Stomach of a bullfrog, cross-section. 

 Stomach of a turtle, cross-section. 

 Stomach of a cat and dog, fundus region. 



Stomach and duodenal junction of the dog, longitudinal section. 

 Small intestine of Xecturus and frog, cross-sections. 

 Small intestine and pancreas of the water snake (Xatrix). 

 Duodenum, jejunum, and ileum of the chipmlmk, cross-sections. 

 Duodenum of the bat, cat, and dog, cross-sections. 

 Ileocecal valve of the cat and dog, longitudinal sections. 

 Appendix of human, cross-section. 

 Spiral valve of the dogfish, cross-sections. 

 Rectum of a frog, cross-section. 



Rectum of a dog, woodchuck, and guinea-pig, cross-sections. 

 Cross-section of a newt (Triton) in the cloacal region, celloidin 



embedded. 

 Rectum and anal junction of the dog, longitudinal section. 

 Pancreas of a frog. 

 Pancreas of the cat, rat, and dog. 

 Liver of a fish (black bass). 

 Liver of Xecturus. 



