( < >MPAtt ATI V i: A N ATOMY. 



food, which are swallowed whole, it is capable of great distension. 

 Iii these forms the intestine is only slightly coiled ; in Lizards the 



Oe 



M 



Oc 



FIG. 189. FIG. 190. 



FIG. 189. INTESTINAL Tit ACT OF Siren laccrtina, 



Oe, oesophagus, marked off from the stomach (.17) by a constriction, t ; P, pyloric 

 region ; Ml), small intestine ; El), large intestine. 



FIG. 190. INIIMINAL THACT OF En na cscuhnta. 



Oc, o snjiliagus ; M, stomach ; Py, pyloric region ; J)u, duodenum ; D, ileum : t, 

 boundary between the latter and thr lai-.Lre inti'stim- (fi) ; A, opening of the 

 rectum into the cloaca (01) ; Hb, urinary bladder ; J/;, spleen. 



coils are more marked, and in the nthrr forms, with broad bodies, 

 the folding is carried still further. 



