CAT.* I OF -nil i D REPTILES. 



Fig. I. 



Bombifrons indicus. Skull, adult. 



C'rocodilus vulgaris, var. B, Dum. § Bibr. Erp. Gin. iv. 



p. 108. 

 Crocodilus rhombifer, Owen, Cat. Osteol. Mus. Coll. Surg. 



p. 104. no. 752 ! (not ( <w i i. 

 C'rocodilus ?, Owen, Cat. Osteol. Alits. Coll. Surg. p. 159. 



no. 7- 

 Bombifrons indicus, Gray, Trans. Zool. Soc. 1869, vi. p. 140. 



Hab. India, Ganges (Dr. Sayer); Madras (Jerdon); 

 Ceylon (Kdaart). 



The dorsal shields in four series, all equally keeled, with 

 two irregular series of plates on the sides. The shields are 

 often nearly of the same form and size ; but sometimes there 

 are larger and broader shields intermixed in and deranging 

 the series, and at other times the whole vertebral series is 

 formed of wider shields. 



This species has generally been confounded with Ooplwlis 

 biporcatus and Crocodilus vulgaris. 



The face of the younger specimen isrugulose and depressed, 

 with a deep pit on the sides over the eighth and ninth teeth ; 

 there are two arched ridges on each side behind the nostril, 

 and some rugosities in front of the orbits. In the older skull 

 the face is very convex and rounded, rugose, with some more 

 or less distinct rugosities in front of the orbits, but not the dis- 

 tinct longitudinal ridge so characteristic of Ooplwlis porosus. 



Prof. Owen described the peculiar form of the premaxil- 

 lary in a skull in the College-of-Surgeons Museum, sent 

 from Bengal by Dr. Wallieh ; but he refers the skull to Cro- 

 codilus rhombifer of C'uvier, which is an American species. 



The smallest specimen in the British Museum is 19 

 inches, and the largest nearly 10 feet long ; there are skulls 



