922 COLUBRID. 
a. & (V.185; 0.38). Guatemala. F. D. Godman, Esq{P.]. 
> Hee. 6 | .130;  Matagalpa, Nicaragua. Dr. Rothschuh (C. 
11. Homalocranium canula. 
Tantilla canula, Cope, Journ. Ac. Philad. (2) viii. 1876, p. 144. 
Homalocranium canulum, Giinth. Biol. C-Am., Rept. p. 153 (1895). 
Snout rather wide, but projecting beyond the mouth, Frontal 
rather small, hexagonal, longer than its distance from the rostral ; 
two postoculars ; temporals 1+1; seven upper labials, third and 
fourth entering the eye; first lower labial separated from its fellow 
by the symphysial ; four lower labials in contact with the anterior 
chin-shields, which are longer than the posterior. Scales in 15 rows, 
Ventrals 110; anal divided; subcaudals 37. Colour leaden, darker 
above ; head-shields with paler borders and centres. 
Total length 172 millim. ; tail 37. 
Yucatan, 
12. Homalocranium miniatum. 
Tantilla miniata, Cope, Proc. Ac. Philad. 1863, p. 100, Journ. 
Ae. Philad. (2) viii. 1876, p. 144, and Proc. U.S. Nat. Mus. xiv. 
1892, p. 597. 
Homalocranium deppii, Bocourt, Miss. Sc. Mex., Rept. p. 584, 
1. xxxvi. fig. 11 (1883); Gtinth, Biol. C-Am., Rept. p. 151 
1895). 
Tantilla deppei, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, 'p. 83. 
Homalocranium miniatum, Giinth. 1. c. p. 146. 
Eye about half the length of the snout. Rostral a little broader 
than deep, visible from above; internasals about half as long as the 
prefrontals; frontal hexagonal, obtuse-angled in front, acute-angled 
behind, once and one third as long as broad, longer than its distance 
from the end of the snout, shorter than the parietals; nostril be- 
tween two nasals, much nearer the internasal than the first labial ; 
posterior nasal in contact with the preocular; two postoculars ; 
temporals 1+-1; seven upper labials, third and fourth entering the 
eye; first lower labial separated from its fellow, the symphysial 
reaching the anterior chin-shields ; four lower labials in contact 
with the anterior chin-shields, which are a little longer than the 
posterior. Scales in 15 rows. Ventrals 147-152; anal divided ; 
subcaudals 55. Pale brown above, with five dark brown longitu- 
dinal lines; head dark brown above, yellowish on the sides; a 
yellow bar across the occiput, divided in the middle by the dark 
vertebral line ; lower parts yellowish white (red in life). 
Total length 270 millim, ; tail 65. 
Mexico. 
a. 8 (V. 152; C. 55), S. Mexico. F, D. Godman, Esq, [P.}. 
