426 COLUBRID. 
G. Body with 12 black annuli separated on the back by long dark 
mahogany-red interspaces; belly bright red, with the black 
bars edged with yellow; head and nape entirely black, with a 
faint trace of the light occipital cross-band of the typical 
form. 
a. ¢ (V.199; C.47). San José, Costa Rica. Od F, Underwood 
H. Body with 19 black annuli, edged with yellow, separated 
by broader red, black-dotted interspaces; the black of the head 
extends to the posterior extremity of the parietals, where it 
is fused with the first black annulus, 
‘a. Hgr. g (V. 195; C. 52). Yucatan. 
I, Body with 24 to 62 more or less regular narrow black annuli which 
may be edged with yellow; the red spaces dotted or spotted with 
black, these spots often arranged in regular transverse series ; 
head black as far as the posterior third of the frontal, with a 
yellow spot on the snout; the first black annulus extends on 
the posterior extremity of the parietals. (HZ. apiatus, Jan, 
LE. agleope, Cope.) 
a, b-c, d-e. g (V. 212; Vera Paz, low OQ. Salvin, Esq. [C.]. 
C. 56), 2 (V. 229,226; —_ forest. 
C. 44, 41), & yg.(V. 198, 
204; C. 49, 35). 
Ft. 2 (V. 210; C. 40). Lanquin, Vera Paz. O. Salvin, Esq. fot 
g. Hgr. 5 (V. 207; C.?). Yza al, Guate- 0. Salvin, Esq..[C.], 
a 
mala, 
h. Yg. (V.199; ©. 51). Stann Creek, Brit. Rev. J. Robertson [C.]. 
Honduras. 
18. Elaps psyches. 
Vipera psyches, Daud. Rept. viii. p. 320, pl. C. fig. 1 (1803). 
Elap s Gvahide Merr. Tent. P 144 (1820) ; Dum. § Bibr. vit p. 1212 
( i ); Jan, Icon. Gén. 41, pl. vi. fig. 4 (1872). 
Eye measuring two thirds its distance from the mouth. Rostral 
broader than deep; frontal broader than the supraocular, once and 
one third to once and a half as long as broad, as long as its distance 
from the end of the snout, shorter than the parietals ; latter longer 
than their distance from the internasals; one pre- and two post- 
oculars ; temporals 1+1 (or 142); seven upper labials, third a 
little larger than fourth, third and fourth entering the eye; four 
lower labials in contact with the anterior chin-shields, which are 
shorter than the posterior. Scales in 15 rows. Ventrals 188- 
214; anal divided; subcaudals 32-47. Body annulate alternately 
black and dark brown, with 48 to 52 more or less distinct narrow 
