60. COLUBER. ae 
3. Coluber nove-hispaniz. 
Seba, Thes. ii. pl. xx. fig. 1 (1735). 
Cerastes mexicanus, Laur. Syn. Rept. p. 83 (1768). 
Coluber novie-hispanize, Gmel. S. N. i. p. LO88 (1788). 
Spilotes variabilis, part., Giinth. Cat. p. 99 (1858). 
pullatus auribundus, ‘ope, Proc, Ac, Philad. 1861, p. 300. 
salvinii, Giinth. Ann. § Mag. N. H. (8) ix. 1862, pe 125, 
pl. ix. fig. 5, and Biol. C.-Am., Rept. p. 116, pl. xii. (1894). 
variabilis, Sumichr. Arch. Sc. Phys. Nat. (2) xlvi. 1875, p. 259. 
—— yariabilis, var. auribundus, Garm. N. Am. eG p. 50 (1883). 
auribundus, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 71; 
Bocourt, Miss. Se. Mex., Rept. p. 689, pl. xliv. fig. 5 (1888). 
Rostral broader than deep, visible from above; internasals as 
long as broad or a little broader than long, shorter than the pree- 
frontals ; frontal as long as or a little longer than broad, as long as 
its distance from the rostral or the end of the snout, as long as or a 
little shorter than the parietals; loreal small, as long as deep or a 
little longer; one pre- and two postoculars ; temporals 1+1 or 
1+2; eight upper labials, fourth and fifth entering the eye, seventh 
and eighth very large; three to five lower labials in contact with 
the anterior chin-shields, which are as long as or a little shorter than 
the posterior. Scales in 19 rows (17 and 18 in spec. /), dorsals more 
or less distinctly keeled, Ventrals 204-222; anal entire; sub- 
eaudals 115-1388. Black above, varied with yellow, the yellow 
forming regular cross bands on the posterior part of the body and on 
the tail; belly yellow, with irregular black spots. 
Total ‘length 2120 millim. ; tail 550. 
Mexico and Central America. 
a. 9 (V. 218; GC. 119). Mexico. Hr. Hugo Finck [C.]. 
Be Ve (V. 210: C. 120). Mexico. M. Sallé [C.]. 
c. 2 (V. 212; ©. 116). Mexico. 
d. Ye. (V. 204; C. 127). Belize. ; 
Gage fer. (Vv. "212; C. StannCreek,Brit.Hon- Rev. J. Robertson 
52 
132) Ke ewe hee CALE duras. Ox, 
C. 130. 
we (212 3.C. ?); Atoyac, Guerrero. F. D. Godman, Esq. 
, leak 
h-i. 3 (V. 208; C. 184) Huatuzco, Vera Cruz. rl a Godman, Esq. 
& yg. (V. 212; C. 123). (Pa. 
k. Her. (V. 215; C.138). Yzabal, Guatemala,  O. Salvin, Esq. [C.]. 
} (Type of S. salvini.) 
ea esa C., b27). Rio Motagua. F. D. Godman, Esq. 
[P.]. 
4. Coluber ? melanotropis. 
Dendrophidium melanotropis, Cope, Journ. Ac. Philad. (2) viii. 1876, 
p. 154, pl. xxvi. fig. 1. 
Elaphis melanotropis, Cope, Bull. U.S. Nat. Mus, no. 82, 1887, p. 71. 
Rostral broader than deep; frontal bell-shaped, wide in front, 
contracted behind, as long as the parietals ; loreal much longer than 
deep ; one prpocues with a subocular below it; two postoculars ; 
temporals 2+2; nine upper labials, fourth, fifth, and sixth entering 
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