174 Wisconsin Academy of Sciences^ Arts and Letters. 



Trojndonotus sipedon, L. Water Snake, Water Adder. 



ftegina liberis, L. Yellow-bellied or Leather Snake. 



Regina kirtlandii, Kenicott. Little Red Snake. 



Regina grahamii, B. & G. Graham's Snake. 



Heterodon platyrhinus, Latr. Blowing or Spreading Viper. 



Heterodon platyrhinus, Var. niger, Catesby. Black Viper. 



Heterodon simus, L. Hog-nosed Snake. 



Coluber vulpinus, B. & G. Fox Snake. 



Coluber obsoletus, Say. Pilot Snake or Racer. 



Ophibolus triangulus, Boie. Milk Snake. 



DiadopMs punctatus, L. Ring- necked Snake. 



Liopeltis vernalis, DeKay. Green or Grass Snake. 



Bascanion constrictor, L. Blue Racer. Black Snake. 



TESTUDINATA. 

 CISTUDINID^. 



Cistudo clausa^ Gmelin. Common Box Turtle. 

 Cist'udo ornata, Ag. Northern Box Turtle. 



CHELYDRID^. 



Chelydra serpentina, L. Common Snapping Turtle. 

 Macrochelys lacertina, Schw. Mississippi or Loggerhead Snapper. 



EMYDIDiE. 



Emys meleagris, Shaw. Blanding's Tortoise. 

 Chrysemys marginata, Holb. Lady Turtle. 

 Chrysemys oregonensis, Holb. Prairie Turtle. 

 Graptemys geographica, Le S. Map Turtle. 

 Graptemys lesueurii, Gray. Le Sueur's Map Turtle. 

 Nanemys guttatus, Ag. Spotted Turtle. 



CINOSTERNID^. 



Aromochelys odorattis, Gray. Musk Turtle. 



TRIONYCHID^. 



Aspidonectes spinifer, Le S. Soft-shelled Turtle. 

 Amyda mutica, Le S. Leathery Turtle. 



