102 SYSTEMATIC LIST AND SYNONYMY. 



O P H I D I A— Continued. 



Var. illeghaniensis (Black Pilot Snake) 54 



Coluber alleglumienm Holbr., L842, Herp., Ill, pi. 19. Scotophis aUeghar 

 niensis B. & G., 1853, Serp., 73; (Kenn.) Bd., 1859, P. R. R. Rep., X, 

 pi. 29, f. 49. Elaphis aUeghaniensia Hall., 1856, Pr. Phil, Ac, 243; 

 Mart., 1856, Mus. Berl., 27; Jan, 1863, Sist., 62, — 1867, [con., lirr. 

 24, pi. 2, f. 1-2; Allen, 1869, Pr. Bost. Soc, 181. E. Hblbrookii D. & 

 £., 1S54, Erp., VII, 272. E. rubriceps I>. & B., 1854, Erp., Vll, 270. 

 _E. aUeghaniensis vars. /'c/.e.V. ps ,e holbroohii Jan, 1863, Si8t., 62. N'»- 

 topftis confims I!. & G., 1853, Serp., 76; Bd., 1859, P. K. K. Rep., X, pi. 

 30, f. 52. 



New England to Alabama. 



Var; LINDHEIMEKH 54 



Scotophis lindheimerii B. A- G., 1853, Serp., 74; Bd., 1859, P. R. R. Rep., 

 X, pi. 29, f. 50. Coluber lindheimerii Cope, 1875, Checklist, 39, — 

 1880, Bull. 20, U. S. -Mas., 2:;. Scotophis rhinomegas Cope, I860, Pr. 

 Phil. Ac, 255. S. laetm B. & G., 1853, Serp., 77, — 1854, Marcy's 

 Exp., 198, pi. 0; lid., 1859, P. R. B. Rep., X, pi. 30, f. 53. S. calligas- 

 I, r Kenn., 1850, l'r. Phil. Ac, 98. Elaphis guttatvs var. caUigasU r Jan, 

 1863, Sist, 62, — 1867, Icon., livr. 21, pi, 6, E. 2. E. guttatus var. 

 rhinomegas Jan, 1863, Sist., 62. Scotophis emoryiB. & G., 1853, Serp., 

 157; (Kenn.) Bd., 1859, P. R. R. Rep., X, 42, pi. 30, f. 50. Coluber 

 , moryi Cope, 1880, Bull. 20, U. S. Mus., 23. 



Illinois to Texas. 



Var. BAIRDII 



Coluber bairdi (Yarrow) Cope, 1880, Bull. U. S. Nat. Mus., p. II. 



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 seales 27, long and lozenge-shaped ; three tipper dorsal rows 



slightly carinated. General color above (alcoholic) warm grayish-ash; 

 beneath yellowish; behind occipitals two converging oblong In-own 

 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. 



Ei.mtiis m-TT\Trs (Corn Snake) 55 



Coluber guttatus Linn., 1766, Syst, I, 385; Daub., 1771, Encycl. Meth., 

 002; Gmel., 1788,.Syst. Linn., I, 1110; Schleg., 1837, Essai, I, HO, II, 

 168; Holbr., 1842, Her].., HI, 65, pi. 14; Harl., 1827, .lour. Phil. Ac, 

 363, — 1835, Med. Res., 126; Holbr., 1838, Herp., II. 109; Gthr., 

 1858, Cat, 89; Cope, 1875, Checklist, 39. C. carolinianus Shaw, 1S02, 

 Zool., Ill, 460, pi. 19. C. macidatus Latr., 1802, Rept., IV, 73 ; Harl., 

 1827, Jour. Phil. Ac, 362, — 1835, Med. Res., 125. C. molossus 

 Daud., 1803, Rept, VI, 269; Harl, 1827, Jour. Phil. Ac, 3G3, — 

 1835, Med. Res., 126. C. floridanus Harl., 1827, Jour. Phil. Ac, 3C0, 

 — 1S35. Med. lies., 121. C. ,., tsus (Donnd.) Bechst, 1802, t T eb. 



