—- —— CO, eae 
241. ELAPs. 427 
yellowish rings; head black, with a triangular yellow spot on each 
side behind the head, the point touching the parietal shield. 
Total length 495 millim. ; tail 80. 
Guianas. 
a. 9 (V. 214; C. 32). Demerara Falls, 
b. go (V. 197; C. 47). ——-7 Dr. Giinther [P.].. 
19. Elaps spixii. 
Micrurus spixii, Wagl. in Spix, Serp. Bras. p. 48, pl. xviii. (1824). 
Elaps lemniscatus, part., Giinth. Cat. p. 234 (1858), and Ann. & 
Mag. N. H. (3) iv. 1859, p. 168. 
P Elaps melanogenys, Cope, Proc. Ac. Philad. 1860, p. 72. 
Elaps isozonus, Cope, 1. ¢. p. 73. 
corallinus, Jan, Icon. Gén, 41, pl. vi. fig. 2 (1872). 
—— marcgravl, Jan, op. cit. 42, pl. ili. fig. 2*. 
Kye measuring two thirds its distance from the mouth in the 
adult, as long as its distance from the mouth in the young. Rostral 
broader than deep ; frontal as broad as or a little broader than the 
supraocular, once and two thirds to twice as long as broad, as long 
as or a little longer than its distance from the end of the snout, 
shorter than the parietals; latter a little longer than their distance 
from the internasals; one pre- and two postoculars; temporals. 
1+1; seven upper labials, third 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 201-219 ; anal divided (exceptionally entire) ; 
subcaudals 22-29. Red, the scales mostly tipped with black, with 
20 to 38 subequal black rings on the body, as broad as or narrower 
than the interspaces, disposed more or less distinctly in threes ; the 
first black ring extends to the posterior border of the parietals ; 
upper head-shields black or largely spotted with black, with a more 
or less distinct black cross-band passing through the eyes; a black 
occipital collar, followed by a wide red space. 
Total length 1400 millim. ; tail 79. 
Venezuela, Northern Brazil. 
a. Hgr. ¢ (V. 204; C. 27). Venezuela. Mr. Riise [(C.].. 
b. 9 (V. 218; C. 22). R. Capin, Para. 
ce. Hgr. 2 (V. 219; C. 26). —? 
20. Elaps frontalis. 
Elaps frontalis, part., Dum. § Bibr. vii. p. 1223 (1854). 
frontalis, Guichen. in Casteln. Anim. Nouv. Amér. Sud, Rept. 
pl. xiv. (1855) ; Cope, Proc. Ac. Philad. 1862, p. 347. 
lemniscatus, part., Giinth. Cat. p. 234 (1858), and Ann. §& Mag. 
N. H. (8) iv. 1859, p. 168. 
—— altirostris, Cope, Proc, Ac. Philad, 1859, p. 345, 1860, p. 73, and 
1862, p. 347. 
baliocoryphus, Cope, ll. ec. pp. 346 & 73. 
lemniscatus, Hensel, Arch. f. Nat. 1868, p. 333. 
—— marcgravi, Jan, Icon. Gén. 42, pl. iii. fig. 2 (1872). 
