84 



The Carolinian fauua is not so marked among reptiles as among birds. 

 One genus of the former, CnemidopJiorus (swift lizard), does not range 

 north of it, with the genera Virginia, Cyclophis, Haldea, and Pityophis 

 among serpents. Species contined in their northern range by the same 

 limit are — 



OpMbolus doUatus doliatus. 



Ophibolus getulus. 



Tropidonotus sipedon erythrogast&r, 



Pseudemys rugosa. 



Malacoclemmys palustris. 



Hyla andersonii. 



Genera of birds restricted in the same way are^ 



Guiraca. 



Helmitherus. 



Mimus. 



Polioptila. 



Gallinula. 



Herodias. 



Florida. 



Simantopus. 



Eeeurvirostra. 



The Alleghanian district includes nearly all of the remaining species 

 of Eeptiles and several Batrachians. The genera of these which do 

 not extend north of it are the following : 



Lizards. 



Sceloporus. 

 Eumeces. 



Snakes. 



Carphophiops. 



Coluber. 



Cyclophis. 



Tropidonotus, 



Ophibolus. 



Heterodon. 



Gaudisona. 



Crotalus. 



Ancistrodon. 



