Zoological Miscellany, 
! 49 
542, t. 19, fig. 16 — 18. Black; dorsal scales marked with a yellow or 
greenish spot ; lateral scales yellow, black edged ; lips and throat orange ; 
head-shields keeled. 
Inhabits Singapore, Hardwicke : Sumatra, Baffles. Brit. Mus. 
10. Trimesurus striffafus. Olive, with large dark spots on the back; 
crown with 2 white spots on the hinder part, with a broad streak from 
the back of the eyes and 2 triangular bands on the white upper lip ; be- 
neath white, marbled with dark olive. 
Inhabits Cape of Good Hope ? Madras ? Mus. Army Med. Board, 
Chatham. 
11. Trimesurus P Ceylonensis. Olive, with dark spots and marks ; and 
a white streak from the back edge of the eye on each side of the neck. 
Inhabits Ceylon. Mus. Army Med. Board, Chatham. 
III. Atropos, Wagler. “ Vertebral scales keeled, lateral ones smooth: 
superciliary scales small, in a prominent arched series.’’ 
J. Atropos acontia^ Seba, ii. t. 64, fig. 1. Atropos puniceus^W aiglet. Fi- 
pera acontia, Laur. Coluber acontia, Gmel. Echidna acontia, Merrem. 
Trigonocephalus puniceus, Schlegel, 545, t. 19, fig. 10, 11. 
Inhabits J ava. 
IV. Meg^era, Wagler. Scales lanceolate ; of head and body smooth, of 
crown unequal ; forehead edged with shields; hinder labial plates small. 
* Superciliary scales double. African. 
1 . Megcera trigonocephala^Wdi^GY. Vipei'a trigonocephala, Daud. Scheuch. 
P. S. t. 749, fig. 11. ; Lacep. Quad. Ov. ii. t. 5, fig. 2. Cophias trigonoce- 
phalus, Merrem. C. nigromarginatus , Kuhl, Beitr. 90. Trigon. nigromar- 
ginatus, Schlegel, 541, t. 19, fig. 14, 15. Glaucous green, paler beneath; 
upper part of head with regular black markings ; middle of the back mar- 
bled with black ; lips, chin, and front of belly white : . head-shields flat, 
smooth. 
Inhabits Africa: Ceylon, Lesch. Cape of Good Hope, Smith. Br. Mus. 
2. Megcera olivacea, Vipera olivacea^ Edwd. W. Gray, MSS. 1800; 
(Brit. Mus.) Coluber olivaceus, Shaw, Zool. Yellow-olive, with a brown 
horizontal streak on each side of the back of the head ; lips and beneath 
yellow. 149 + 55. 
Inhabits ? Brit. Mus. 
Superciliary shield single^ elongate ; sides with a series of spots. Asiatic. 
3. Megcera fiavomaculatus. Olive-green, nearly uniform (in spirits) ; be- 
neath paler, varied with yellow; chin yellow, varied ; sides with a series of 
large orange-yellow spots on the lowest series of scales : tail brown-banded ; 
head-shield large. 
Var. ? Young? green (in spirits), with close white spots forming nearly 
a continued band on each side. Smaller. 
Inhabits the Philippine Islands, Mr. Cuming. Brit. Mus. 
4. Megcera ornata. Olive-green (in spirits) ; back with a series of irregu- 
lar brown spots forming a band across the tail : sides of the body with a 
GRAY, ZOOL. MISC. — -APRIL, 1842 . G 
