60. COLUBER. 31 



f. 2 (V. 168; C.?). Yuriraaguas, Hual- Dr. Halinel [C.]. 



la;^a Iliver, N.E. 

 Peru. 



g. Yg. (V. 170; C. 101). Moyobamba, N.E. Hr. A. II. RofE [C.]. 



Peru. 

 ^ Yg. (V. 176; C. 97). Sarayacu, N.E. Peru. Mr. W. Davis [C.]; 



Messrs. Veitcli [_P.]. 



2. Coluber corais. 



? Coluber reticularis, Baud. Rept. vi. p. 281 (1803). 



Coluber corais, Boie, Ms, 1827, p. 537 ; Schleg. Fhys. Seiy. ii. p. 130, 



pi. V. figs. 9 & 10 (1837), and Abbild. p. 1U2, pi. xxviii. tigs. 9-11 



(1844). 

 obsoletus {non Say), Holbr. N. Am. Herp. iii. p. 61, pi. xii. 



(1842). 



couperi, Holbr. I. c. p. 75, pi. xvi. 



Georgia couperi, Baird 8^ Gir. Cat. N. Atn. Rept. p. 92 (1853). 

 obsoleta, Baird ^- Gir. I. c. p. 158, a7id U.S. Mex. Bound. Surv. 



ii., Rept. pi. XV. (1859). 

 Spilotes corais, Bmn. ^ Bibr. vii. p. 223 (1853) ; Giinth. Cat. p. 98 



(1858); Wucherer, Proc. Zool. Soc. 1861, p. 324; Giinth. Zool. 



Rec. 1807, p. 140; Jan, Icon. Gen. 48, pi. iv. fig. 6 (1876) ; Gar?n. 



N. Am. Rept. p. 48 (1883); Cope, Proc. U.S. Nat. Miis. xiv. 1892, 



p. 636; Gii>itk. Biol. C.-Am., Rept. p. 116 (1894). 

 melanurus, Du7n. ^ Bibr. t. c. p. 224 ; Cojx, Proc. Ac. Philad, 



1860, p. 564 ; Jan, I. c. pi. v. fig. 2. 

 erebennus, Cope, I. c. pp. 342 & 364, and Proc. Ac. Philad. 1864, 



p. 167 ; Sumichrast, Arch. Sc. Phys. Nat. (2) xlvi. 1873, p. 259. 

 couperi. Cope, Proc. Ac. Philad. 1860, pp. 342 & 364 ; Garm. 



I. c. p. 48. 

 Geoptyas collaris, Steindachn. Sitzb. Ak. Wien, Iv. 1867, p. 271, pi. iii. 



tigs. 4-7. 



flaviventris, Steindachn. I. c. p. 269, pi. iv.. figs. 4-7. 



Spilotes corais, var. melanurus. Cope, Journ. Ac. Philad. (2) viii. 



1876, p. 135; Bocourt, Miss. Sc. Me.v., Rept. p. 687, pi. xliv. fig. 1 



(1888). 



, var. erebennus, Cope, I. c. 



Coryphodon constrictor, Jan, I. c. pi. vi. fig. 1. 

 Spilotes obsoletus, Garm. I. c. p. 48. 



corais, var. obsoletus, Bocourt, I. c. p. 689. 



■ xanthurus, A. E. Brown, Proc. Ac. Philad. 1893, p. 433. 



Rostral broader than deep, visible from above ; internasals as 

 long as broad or a little broader, shorter than the proefrontals ; 

 frontal as long as broad or a little longer, as long as its distance 

 from the rostral or the end of the snout, much shorter than the 

 parietals ; loreal nearly as long as deep ; one prae- or two post- 

 oculars ; rarely a small subocular below the prffiocular ; temporals 

 2 + 2 ; eight (rarely seven) upper labials, fourth and fifth (or third 

 and fourth) entering the eye ; four lower labials in contact with the 

 anterior chin-shields, which are as long as or a little longer than the 

 posterior. Scales in 17 rows (19 or 21 on the neck), smooth, or 

 with a short and feeble keel, disposed somewhat oblit^uely in the 



