The Alligator and Its Allies 



It is this outline of the head that Ditmars (Rep- 

 tiles of the World] uses in classifying the Crocodilia, 

 which, he says, are all included in the single family 

 -Crocodilidce. The following list, taken from his 

 Reptiles of the World (pp. 68-69), will gi ye a clear 

 idea of the number, distribution, and maximum 

 size of the members of the order Crocodilia. More 

 will be said of some of the members of this list 

 later. 



A. Snout extremely long and slender, extend- 

 ing from the head like the handle of a fry- 

 ing pan 



Cavialis gangeticus, Indian Gavial 



Tomistoma schlegeli, Malayan Gavial 



B. Snout very sharp and slender; of trian- 

 gular outline 



Crocodilus cataphractus, Sharp-nosed Croco- 

 dile 



Crocodilus johnstoni, Australian Crocodile 

 Crocodilus intermedius, Orinoco Crocodile 



C. Snout moderately sharp; outline dis- 

 tinctly triangular 



Crocodilus americanus, American Crocodile 



Crocodilus siamensis, Siamese Crocodile 

 Crocodilus niloticus, Nile Crocodile 

 Crocodilus porosus, Salt-water Crocodile 



D. Snout more oval; bluntly triangular 

 Crocodilus robustus, Madagascar Crocodile 

 Crocodilus rhombiferus, Cuban Crocodile 

 Crocodilus moreletti, Guatemala Crocodile 



Habitat 



Northern 



India 



Borneo and 

 Sumatra 



W. Africa 

 Australia 

 Venezuela 



Fla.; Mexico; 



Central and 



S. America 



Siam; Java 



Africa generally 



India and 



Malasia 



Madagascar 



Cuba only 



Guatemala; 



Honduras 



Max. 

 Size 



30 ft. 



15 ft. 



12 ft. 



6-8 ft. 



12 ft. 



14 ft. 



7 ft. 

 i6ft. 



20 ft. 



3 ft. 



7 ft. 

 7 ft. 



