84 



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



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



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



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



limit are — 



Ophibolus doliattis doliatus. 



Ophibolus getulus. 



Tropidonotns sipedon erythrogaster. 



Pseudemys rugosa. 



Malacoclemmys palustris. 



ffyla andersonii. 



Genera of birds restricted in the same way are — 



Guiraca. 



Helmitherus. 



Mimus. 



Polioptila. 



Gallinula. 



Herodias. 



Florida. 



Himantopus. 



Eecurvirostra. 



The AUeghanian 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. 



8celopor\is. 

 Etimeces. 



Snakes. 



Carpliophio'ps, 



Coluber. 



Cyclophis. 



Tropidonotus, 



Ophibolus. 



Heterodon. 



Caudisona. 



Crotalus. 



Ancistrodon. 



