ri INTESTINE AND DIET OF REPTILES. 



This lizard is wholly insectivorous as it seems. The ven- 

 tricle was crowded with remains of beetles and so was the 

 colon, but in the latter the chitinons remains were broken into 

 smaller pieces. 



The ccecal säck of representatives of the genus Agama 

 (»Stellioi) has been seen by Meckel and other authors but 

 seems to be diiferently developed in different species. Tiede- 

 MANN 1817 could not detect any ca3cum in »Stellio^. In Äga- 

 nia siellio I have, however, observed a very large and recur- 

 ved coGcum and likewise in Agama armafa. In these two 

 species the opening of the small intestine lies to the right 

 at the npper bend so that the whole recurved portion may 

 be counted as a cfficum. 



Phryiiocephalus helioscopiis Pallas. 



Distance from snout to vent 55 mm. Tlie peritoneum is black. 



The ventricle reaches to the inguinal region where it 

 curves inwards and opens into the wide beginning portion of 

 the small intestine, The length of the latter is about 55 mm. 

 The length of the large intestine is about 35 mm. It is cur- 

 ved back upon itself and the small intestine therefore opens 

 on its left side (right if it had been straight). There is a 

 well developed coecum about 7 mm. in length. This also is 

 recurved from the large intestine so that its blind end points 

 forvk^ard (backwards if the intestine had been straight). In 

 this form there is thus a beginning division of the large intestine 

 into colon and rectum and the contents are also divided in 

 two portions occupying an anterior and a posterior dilated 

 tract of the large intestine. From the opening of the small 

 intestine into the large one extends a transversal fold vehich 

 although not much developed might if constant be regarded 

 as the beginning of a coecolic valve. The intestine contained 

 remains of insects. 



Aniphibolunis nuiricatus Gray. 



Distance from snout to vcut 101 mm. 



The ventricle is sausage-shaped, measuring not quite 5 

 cm. It contains legs, wings and other remains of insects, but 



