( 36 ) 



CfiOCODiLUS, Cuvier. 



The fourth tooth of the lower jaw fits into a notch in the upper 

 jaw, so as to be visible, when the jaws are closed, the same teeth 

 in alligator being received within a pit. Food — turtles, fish or 

 carrion, the flesh of animals seized and drowned by them. 



C. palustris Less. 



C. valgaris var B. D. et B. 

 C. trigonops, Gray. 

 C. bombifrons, Oray. 



C. biporcatus Cautley not Cuvier. As. Researches, 

 Vol. XIX Tab., 3 f. 1—3. 

 Two pairs of anterior nuchal plates. Three pairs of large poste- 

 rior ones all strongly keeled. Six rows of strongly keeled dorsal 

 plates. 



Colour pale oHve, conspicuously black spotted. Grows to 

 30 feet. 



Inhabits India and Ceylon. Common in lower Bengal. Rare 

 in Pegu. 



The largest head in the Calcutta Museum measures 29 inches. 

 A head of 2620 belonged to an animal 18 feet long and one of 

 24-60 to an animal of 12 feet. 



C. porosus Sch. 



0. biporcatus Cuv. 



Anterior nuchal plates none or a pair of small ones. Dorsal 

 plates in eight rows in the middle of the back. Colour same as 

 the last, but easily distinguishable by its narrower and more 

 pointed head. Grows to 30 feet. 



Inhabits India, and is very common along the east coast of the 

 Bay of Bengal. Very common in Pegu. Rare in Bengal. Breeds 

 in June or July when it is a dangerous and aggres sive animal 

 attacking small boats which cross its haunts. 



C. Pondicerianus, Gray. Ann. Mag., N.H., 1862, p. 268. 

 Anterior nuchal plates none. Dorsal shield^ in four rows (in the 

 middle of the back only, in six). The type specimen figured in 



