700 REPTILES—COLUBRIDZA. 
Diadophis arnyi, Kenn. 
Proc. Acad. Nat. Sci. Phil., 1859, p. 99. 
Habitat, Tllinois to Kansas. 
Coluber emoryii, Baird and Girard. 
Proc. Acad. Nat. Sci. Phil., 1859, p. 98. As S. calligasier. 
Proce. Acad. Nat. Sci. Phila., 1856, p. 244. 
BAIRD and GIRARD, Cat., p. 157. 
Habitat, Texas to Arkansas, Kansas, and Illinois. 
Pityophis sayi, Schl. 
BarIrD and GIRARD, Cat., p. 151. 
Habitat, Wisconsin, Illinois, Missouri, Kansas, and Nebraska. 
Regina (Microps, Hal.) lineata, Hallowell. 
Proc. Acad. Nat. Sci. Phil., 1856, p. 241. 
Habitat, Kansas to Texas. 
Tropidonotus weodhousii, Baird and Girard. 
BairD and GIRARD, Cat., p. 59. 
Habitat, Texas to Missouri, and Arkansas. 
Heterodon simus, Linn. 
BAIRD and GIRARD, Cat., p. 59. 
Habitat, North Carolina, South Carolina, to Mississippi, Illinois and Wisconsin. 
Heterodon nasicus, Baird and Girard. 
Proc. Acad. Nat. Sci. Phila., 1856, p. 249. 
BAIRD AND GIRARD, Cat., p. 59. 
U.S. Geolog. Surv., 100th Meridian, v. 611. 
Proc. Best. Soc. Nat. Hist., 1874, p. 69. 
Habitat, Mexico, New Mexico, Utah and California, to Kansas, Arkansas, Nebraske 
and Montana. 
