SYNOPSES AND DESCRIPTIONS. 107 
interrupted at the first abdominal shields. Large rounded light-bordered 
black spots, ten in number, widely separated on the body. Tail with three 
wide rings of black. Seales of back black-tipped; belly probably uniform 
red or yellow. Mexico. (D. & B.) 
var. DIASTEMA. 
Evaps prastema D. & B., 1854, Erp. Gin. VII, p. 1222. 
Muzzle and vertex black. Occiput crossed by a band of white or red 
(yellow), behind which there is a black one extending under the throat. 
Fourteen or fifteen black white-bordered rings on the body, separated by 
white (red) spaces ten or twelve times as wide, in which the seales are 
black-tipped. A second specimen had reddish intervals and twenty-one 
rings. Mexico. (D. & B.) 
var. CEREBRIPUNCTATUS. 
ELaps CoRALLINus var. Peters, 1869, M. B. Berl. Akad., 877. 
Snout to parietals black. A yellow band across the parietals. From 
the parietals a black yellow-edged band covers the first seven rows of scales. 
Ten narrow yellow-edged black rings on the body. Tail black and yellow. 
The scales in the broad red spaces are tipped with black. Pueblo, Mexico. 
ELAPS EURYXANTHUS. 
Kennicott, 1860, Pr. Ac. N. Sc., Phil., p. 337. 
“Head very small, narrower than the neck; entirely black as far back as 
the angle of the mouth. Banded alternately with black and light brick- 
red, separated by narrow rings of creamy white, all the bands immaculate. 
First broad ring behind the occiput red instead of black as in the other 
species.” Sonoran region. 
ELAPs LATICOLLARIS. 
Peters, 1869, Monatab. Berl. Akad., 877. 
Head black to the parietals. A yellow band across the parietals covers 
the first two rows of scales. Behind this a black ring of twelve or thirteen 
scales in width, then a yellow of three or four scales, and then a black of 
four or five precede the first red one, which occupies from six to nine 
scales. Similar red rings separate the eight or nine triads of black ones 
on the body. The middle ring of each triad is nearly twice as broad 
as the others, from which it is separated by narrow yellow spaces. The 
