430 COLUBRID. 
22. Elaps lemniscatus. 
Coluber lemniscatus, Linn. Mus. Ad. Frid. p. 84, pl. xiv. fig. 1 
(1754), and S. N. 1. p. 886 (1766). 
Natrix lemniscata, Laur. Syn. or . 76 (1768). 
Elaps lemniscatus, part., Schnet ist. wee ii. p. 291 (1801); 
Schleg. Phys. Serp. ii. p. 444, pl. xiv. figs. 6 & 7 (1837),.and Abbild. 
p- 188, pl. xlvi. figs. 15-18 (1844); Dum. § Bibr. vii. p. 1217 
(1854); Giinth. Cat. p. 234 (1858), and Ann. §& Mag. N. H. (8) 
iv. 1859, p. 167. 
Vipera lemniscata, -» Daud, Rept. vi. p. 18 (1808). 
Elaps lemniscatus, Jan, Icon. Gén. 42, pl. v. fig. 1 (1872). 
Eye measuring about half its distance from the mouth (three fifths 
in the young). Rostral broader than deep ; frontal broader than 
the supraocular, once and a half to once and two thirds 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 pree- and two postoculars ; temporals 1+ 1, anterior 
usually much longer than second; seven upper labials, third much 
larger than fourth, third and fourth entering the eye; four lower 
labials in contact with the anterior chin-shields, which are as long as 
or a little longer than the posterior. Scales in 15 rows. Ventrals 
241-262; anal divided; subcaudals 30-39. Body with black 
annuli disposed in threes, subequal in width or middle ones a little 
larger ; 11 to 14 sets of annuli, separated by more or less broad red 
interspaces which, like the narrow yellow annuli within each set, 
may be dotted or the scales edged with black; head yellow; end of 
snout and a band across the middle of the head black; often a 
roundish black spot on the occiput. 
Total length 1000 millim. ; tail 80. 
Guianas, Brazil. 
a. do (V. 253; 0.31). Brazil. Mr. Clausen [C.]. 
b. Yg. (V. 243; C. 36). Bahia. Dr. O. Wucherer. 
C.}. 
e. Yg. (V. 254; 0.34). Macasseema, Brit. Guiana. Wi Sclater, Esq. 
d. Yg. (V. 262; 0.89). British Guiana. 
e,f. 2 (V.257; 0.87) ——P 
& yg. (V.261; 0.37). 
23. Elaps filiformis. 
Elaps filiformis, Giinth. Proc. Zool. Soc, 1859, p. 86, pl. xviii. fig. B; 
Cope, Proc. Ac. Phulad. 1860, p.¥3; Giinth Ann § Mag. N. IL 
(4) i. 1868, p. 428; Jan, Icon. Gén. 42, pl. iv. fig. 1 (1879). 
Eye not half as long as its distance from the mouth. Rostral 
broader than deep; frontal at least twice as broad as the 
supraocular, once and one fourth to once and two thirds as long as 
broad, as long as or longer than its distance from the end of the 
snout, much shorter than the parietals; latter as long as their 
