700 REPTILES—COLUBRIDZ. 
Diadophis arnyi, Kenn. - 
Proc. Acad. Nat. Sci. Phil., 1859, p. 99. 
Habitat, Illinois to Kansas. 
Coluber emoryii, Baird and Girard. 
Proc. Acad. Nat. Sci. Phil., 1859, p. 98. As S. calligaster, 
Proc. Acad. Nat. Sci. Phila., 1856, p. 244. 
BarrD and GIRARD, Cat., p. 157. 
Habitat, Texas to Arkansas, Kansas, and Illinois. 
Pityophis sayi, Schl. 
BarrD and GrrarD, Cat., p. 151. 
Habitat, Wisconsin, Ulinois, Missouri, Kansas, and Nebraska. 
Regina (Microps, Hal.) lineata, Hallowell. 
Proce. Acad. Nat. Sei. Phil., 1856, p. 241. 
Habitat, Kansas to Texas. 
Tropidonotus woodhousii, Baird and Girard. 
BarrD 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. Bost. Soc. Nat. Hist., 1874, p. 69. 
Habitat, Mexico, New Mexico, Utah and California, to Kansas, Arkansas, Nebraska 
and Montana. 
