The Biology of the CrocodiHa 



Gadow in the Cambridge Natural History (p. 450) 

 agrees with Boulanger in believing that the recent 

 CrocodiHa cannot be separated into different 

 families, yet he describes seven families of Croco- 

 diHa, two of which, the GavialidcB and Crocodilidcc, 

 include the living members of the order; the former 

 includes the gavials, of course, and the latter the 

 crocodiles, alligators, and caimans. 



Though "doctors disagree" thus in regard to 

 the scientific classification of this small group of 



' These species are exceptions in their genus. The snout is blunt 

 like that of the genus Alligator. 



^ Alleged to grow to this size by competent observers. 



