60. COLUBER. 31 
Roe (Vi 168." Ce). Yurimaguas, Hual- Dr. Hahnel [C.}. 
laga River, N.E. 
Peru. 
g. Yg. (V.170; C.101). Moyobamba, N.E. Hr. A. H. Roff [C.]. 
Peru. 
h. Yg. (V.176; C.97). Sarayacu,N.E. Peru. Mr. W. Davis [C.]; 
Messrs. Veitch [P.]. 
2. Coluber corais. 
? Coluber reticularis, Daud. Rept. vi. p. 281 (1803). 
Coluber corais, Boie, Isis, 1827, p. $37 ; Schleg. Phys. Serp. ii. p. 139, 
pl. v. figs. 9 "& 10 (1837), and Abbild. p. 102, pl. xxviil. figs. 9- ul 
(1844). 
obsoletus (non Say), Holbr. N. Am. Herp. iii. p. 61, pl. xii. 
(1842). 
couperi, Holbr. J. c. p. 75, pl. xvi. 
Georgia couperi, Baird § Gir. Cat. N. Am. Rept. p. 92 (1853). 
‘obsoleta, Baird § Gir, l.e. p. 158, and US. Mex. Bound. Surv. 
ii., Rept. pl. xv. (1859). 
Spilotes corais, Dum. § Bibr. vii. p. 223 (1853); Giinth. Cat. p. 98 
(1858) ; Wucherer, Proc. Zool, Soe. 1861, p. ae Giinth. Zool. 
Ree. 1867, p. 140; ’ Jan, Icon. Gén. 48, pl. iv. fig. 6 (1876); Garm. 
N. Am. Rept. p- 48 (1885); Cope, Proc. U.S. Nat. Mus xiv. 1892, 
p- 636; Giinth. Brol. C-Am. , Rept. B 116 (1894). 
melanurus, Dum. § Bibr. t. ¢. p. 224; Cope, Proc. Ac. Philad. 
1860, p. 564; Jan, l. c. pl. v. fig. 2. 
erebennus, Cope, l. ec. pp. 842 & 364, and Proce, Ac. Philad. 1864, 
p. 167; Swmichrast, Arch. Sc. Phys. Nat. (2) xlvi. 1872, p. 259. 
couperi, Cope, Proc. Ac. Philad. 1860, pp. 342 & 364; Garm. 
Ll. ec. p. 48. 
Geoptyas collaris, Steindachn. Sitzb. Ak. Wien, lv. 1867, p. 271, pl. iii. 
figs. 4-7. 
flaviventris, Steindachn. 1. c. p. 269, pl. iv. figs. 4-7. 
Spilotes corais, var. melanurus, Cope, ‘Journ. Ac. Philad. (2) vill. 
1876, p. 185; Bocourt, Miss. Se, Mex. , Rept. p. 687, pl. xliv. fig. 1 
(1888). 
, var. erebennus, Cope, J. ¢. 
Coryphodon constrictor, Jan, J. c. pl. vi. fig. 1. 
Spilotes obsoletus, Garm. l. c. p. 48. 
——— corais, var. obsoletus, Bocourt, l. c. p. 689. 
xanthurus, A. £. Brown, Proc. Ac. Philad. 1893, p. 455. 
Rostral broader than deep, visible from above; internasals as 
long as broad or a little broader, shorter than the prefrontals ; 
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 pre- or two post- 
oculars ; rarely a small subocular below the preocular ; temporals 
2+42; 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 obliquely in the 
