N. A. REPTILES AND BATRACHIANS. 27 



PITYOPHIS Holbr., 1842, Herp., IV, 7. 



Coluber melanoleucus Daud., 1803, Rept., VI, 409. 



East of the Mississippi, Ohio and Pennsylvania south- 

 ward. 

 C. catenifer Blainv., 1835, Nouv. Ann. Mus., IV, 290, pl. 26, f. 2. 

 Oregon to Mexico. 



(B) C. sayi Schleg., 1837, Ess., II, 157. 



Roclcy Mountains to Illinois. 



(C) P. mexicanusD. & B., 1854, Erp., VII, 236. 



Mexico. 



(D) Elaphis deppei D. & B., 1854, Erp., VII, 268. 



Arizona to Mexico. 



(E) Churchillia taellona B. & G., 1852, Stansb. Exp., 350. 



Utah basin. 

 (P) C. vertebralis Blainv., 1835, 1. c, 293, pl. 27, f. 2. 

 Lower California. 



ELAPHIS Aldrov., 1640, Serp. Drac, 267, —1765, reprint; Bonap., 

 1831, Saggio. 



(SCOTOPHIS.) 

 Coluber obsoletus Say, 1823, Long's Exp., I, 140. 

 Mississippi Valley. 



(B) C. alleghaniensis Holbr., 1842, III, 219. 



New England to Alabama. 



(C) S. lindheimeri B. & G,, 1858, Serp., 74. 



Illinois to Texas. 



(D) C. bairdi Yarr., 1880, Bull. U. S. Mus., 41. 



Fort Davis, Texas. 



(E) S. confinis B. & G., 1853, Serp., 76. 

 C. guttatus Linn., 1766, Syst., I, 385. 



Virginia to Louisiana. 

 (B) S. vulpinus B. & G., 1853, Serp., 75. 

 Massachusetts to Nebraska. 



C. quadrivittatus Holbr., 1. c, 80, pl. 20. 



DROMICUSBlbr., 1843, Rept. Cuba, Sagra, 221. 



D. laureatus Gthr., 1868, Ann. Mag., 419. 



City of Mexico. 

 D. flavilatus Cope, 1871, Pr. Phil. Ac. 



Florida to North Carolina. 

 Herpetodryas margaritiferus Schleg., 1837, Ess., I, 151, II, 

 184. 



Mexico ; Central America. 

 D. putnamii Jan, 1863, Sist., 67. 



Southern Mexico. 



