312 PROCEEDINGS OF THE ACADEMY OF [ISOS"^ 



Stomach, becoming a right gastrohepatic, and does not extend to the 

 dorsal peritoneum, a character in which it is unique in the Sauria. 

 Posterior to the middle of the liver they unite on the middle line, 

 as in the Teidte. The lungs are attached to the adjacent parts 

 of the gastric peritoneum by separate sheets, the right and left gas- 

 tropulmonary. Besides these there is a strong sheet on each side 

 extending from the superior side of the liver near the border, to the 

 body wall, forming the right and left hepatolateral. The right 

 hepatolateral does not extend along the right border of the liver 

 beyond the cephalad half. The right gastrohepatic continues along 

 the elongate right process of the liver to the genital fold of the 

 peritoneum, and the apex of this process of the liver sends a recur- 

 rent sheet backward, which forms with the former, a funnel-shaped 

 passage. This recurrent sheet might be regarded as a caudad 

 hepatolateral. Dr. Shufeldt states* that Heloderma possesses the 

 free ventral peritoneum found in Varanus, but this is not the case, 

 as this structure is the usual one. 



The peritoneum forms a transverse fold at the posterior part of the 

 corpora adiposa, supporting the urinary bladder, and forming the 

 cystic mesentery. It is but loosely attached to the corpora adiposa, 

 which do not project freely from the body wall and hence have no 

 special peritoneal pouch. They are elongate and coarsely sub- 

 divided. 



In the Zonuridre the mesenteries in the genus Zonurus are of the 

 usual type. There are one hepatoventral, a gastrohepatic, a left 

 gastropulmonary, and a right hepatic which encloses the right lung. 



The mesenteric attachments of the liver are very characteristic in 

 the Teidse. There is but one suspensor, a median gastrohepatic, but 

 this bifurcates above the middle of the organ, and each half diverges, 

 and adhering to the caudad margin, extends to the lateral inferior 

 body wall on each side. In Tupvnmnbis these sheets are united on 

 the median line for a distance posterior to the liver. The lungs are 

 each attached to the stomach by a separate sheet. The left hepato- 

 parietal sheet is always present in this family, but the right one is 

 feeble in some genera, and is easily ruptured, as for instance in 

 Cnemidoplioriis. I have examined the genera Draccena, Tupmam- 

 bis, Callojmtfis, Amiva, Cnemidophorus, Centropy.v, Tejus, Anadia 

 and Oreosaurus. 



* Proceeds. Zool. Soc, London, 1890, pp. 193-4. 



