152 SYSTEMATIC LIST AND SYNONYMY. 
OPHIDI A—Continued. 
Var. ALLDEGHANIENSIS (Black Pilot Snake)... 2... .. 6 ou a 0 
Coluber alleghaniensis Holbr., 1842, Herp., III, pl. 19. Scotophis allegha- 
niensis B. & G., 1853, Serp., 73; (Kenn.) Bd., 1859, P. R. R. Rep., X, 
pl. 29, f. 49. Elaphis alleghaniensis Hall., 1856, Pr. Phil. Ac., 243; 
Mart., 1856, Mus. Berl., 27; Jan, 1863, Sist., 62, — 1867, Icon., livr. 
24, pl..2, f. 1-2; Allen, 1869, Pr. Bost. Soe., 181. £. Holbrookii D. & 
B., 1854, Erp., VII, 272. E. rubriceps D. & B., 1854, Erp., VII, 270. 
E. alleghaniensis vars. rubriceps & holbrookii Jan, 1863, Sist., 62. Sco- 
tophis confinis B. & G., 1853, Serp., 76; Bd., 1859, P. R. R. Rep., X, pl. 
30, f. 52. 
New England to Alabama. 
NeiMianMAe INNES oO ODO Ooo ooo eo oo to Oc 
Scotophis lindheimerit B. & G., 1853, Serp., 74; Bd., 1859, P. R. R. Rep., 
X, pl. 29, f. 50. Coluber lindheimerii Cope, 1875, Checklist, 39, — 
1880, Bull. 20, U. S. Mus., 28. Scotophis rhinomegas Cope, 1860, Pr. 
Phil. Ac., 255. S. laetus B. & G., 1853, Serp., 77, — 1854, Marcy’s 
Exp., 198, pl. 6; Bd., 1859, P. R. R. Rep., X, pl. 30, f. 58. iS. calligas- 
ter Kenn., 1859, Pr. Phil. Ac., 98. Elaphis guttatus var. calligaster Jan, 
1863, Sist., 62, — 1867, Icon., livr. 21, pl. 6, f. 2. #. guttatus var. 
rhinomegas Jan, 1863, Sist., 62. Scotophis emoryi B. & G., 1853, Serp., 
157; (Kenn.) Bd., 1859, P. R. R. Rep., X, 42, pl. 30, f. 56. Coluber 
emoryi Cope, 1880, Bull. 20, U. 8. Mus., 23. 
Illinois to Texas. 
VAT HBATRDELI-usapl ete) loins laii/elilat (ofl ollaji/- tie ah amis i= i= 0it= 00-1 a 
Coluber bairdi (Yarrow) Cope, 1880, Bull. U. S. Nat. Mus., p. 41. 
Vertical plate longer than broad, with a slight notch in anterior 
border; posterior portion very large, broader than long. Nine upper 
labials, seventh largest. Lower labials twelve, seventh largest. Dorsal 
rows of scales 27, long and lozenge-shaped; three upper dorsal rows 
slightly carinated. General color above (alcoholic) warm grayish-ash; 
beneath yellowish; behind occipitals two converging oblong brown 
blotches, and posterior to these a series of narrow transverse brown 
blotches, eighty in number, becoming obsolete near caudal extremity; 
these blotches are six scales in width (Yarrow). 
Fort Davis, Texas. 
BraAPersiGomamus (Com mpakce))cie te) sis als) ge) can else etch sone 
Coluber guttatus Linn., 1766, Syst., I, 885; Daub., 1771, Encyel. Meth., 
602; Gmel., 1788, Syst. Linn., I, 1110; Schleg., 1837, Essai, I, 149, TT, 
168; Holbr., 1842, Herp., III, 65, pl. 14; Harl., 1827, Jour. Phil. Aec., 
863, — 1835, Med. Res., 126; Holbr., 1838, Herp., Il, 109; Gthr., 
1858, Cat., 89; Cope, 1875, Checklist, 39. C. carolinianus Shaw, 1802, 
Zobl., IIT, 460, pl. 19. C. maculatus Latr., 1802, Rept., IV, 73; Harl., 
1827, Jour. Phil. Ac., 862, — 1835, Med. Res., 125. ©. molossus 
Daud., 1808, Rept., VI, 269; Harl., 1827, Jour. Phil. Ac., 863, — 
1835, Med. Res., 126. (©. floridanus Havrl., 1827, Jour. Phil. Ac., 360, 
— 1835, Med. Res., 124. C. compressus (Donnd.) Bechst., 1802, Ueb, 
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