264 



COMPARATIVE ANATOMY 



Fig. 212. — Diagkams of the Stomach in V.vkious M.uuials siiowinc; thk 

 Different Reciuns. (After Oppel. ) 



A, Obnithokhynchus anatini's ; B, Kangakoo (Dorcopsu hn-tiiosa) ; C, Toothf.d 

 Whale (Ziphius) ; D, Porpoise; E, Horse; F, Pig; (j, Hare; H, Ham- 

 ster {Criretus frumenlariiix). 



(The fusopliageal region (lined by stratified epithelium) is indicated by transverse 

 lines ; the region of the cardiac gland.s by oblique lines ; that of the fundus 

 glands by dots, and that of the pyloric glands by crosses. ) 



Ots, iL'sophagxis ; P, pylorus ; D, duodenmn ; / — IV (in D), the four chambers of 

 the stomach ; / (in B), lymphoid tissue ; x...x (in B), boundary line between 

 tlie <rsophageal and cardiac regions ; /(in H), fold bounding tlie losophiigcal 

 region. 



