SNAKES, IT'UTLES, LIZARDS, CROCOmLKS 1^1 i7 



The nostrils also have valves for closing them to keep out 

 the water. The feet of the crocodile are webbed and the 

 tails of both are flattened for swimming. 



CLASSIFICATION OF THE EXAMPLES 



Class — Reptilia. 



Order — Squamata. 



Suborder — Lacertilia. 

 Tj-pes uf Order. 



Ciicmidophorns sex lineatus — Six-lined lizard. 

 Eumeces (juinqtidinealiiK — ]31ue-tailed lizard. 

 Sceloporus U7idulatus — Alligator lizard. 

 Anolis caroUnensis — American chameleon. 

 Chamelci) indgaris — Old World chameleon. 

 Phrynosoina cornutum — Horned toad. 

 Nchiderrna suspectum — Gila monster. 

 Su1)(>r(ler — Ophidia. 

 Types of Order. 



Eutiinia sirlalis — Garter snake. 

 Pi/lliun (several species) — Python. 

 Naja tripudians — Hooded cobra. 

 Ancistrodon conlortrix — Copperhead. 

 Ancistrrjdnii piscivorus — Water moccasin. 

 Crotalus horridus — Rattlesnake. 

 Order — Chelonia. 



Types of Order. 



Spharijis coriacea — Leather turtle. 

 Chelone iinidm — Green turtle. 

 Cheloiic iiidjnratii — llawkbill turtle. 

 Chelydra serpentina — Snapping turtle. 

 Chrysemys picta — Painted turtle. 

 Triony.r spinifer — Soft-shelled turtle. 

 Tcxluiki polyphenms — Gopher turtle. 

 Order — ( 'rocodilia. 



Types of Order. 



Crocodilus amerieanus — Crocodile. 

 Alligator niississippiensis — Alligator. 



