1]. LACcHEsIs, 549 
8. (Se. 23; V.142; C. Mt. Mooleyit, 4500 ft. Col. Beddome [C.]. 
6). 
t-v. 3 (Sc. 25; V.152; Toungyi, Shan States, Lieut. Blakeway [C.]. - 
C. 49), 2 (Se. 27; V. 5000 ft. 
150; C. 40), & yg. (Se. 
25; V. 144; C. 48). 
pp oh (Se. 23; V.147; Toungyi,Shan States. E. W. Oates, Esq. [P.]. 
_ 45). 
z. 2 (Se. 23; V. 134; Singapore. 
O84)e 000 Bae 
17. Lachesis okinavensis. (Prarn XXV. fig. 2.) 
‘Trimeresurus okinavensis, Bouleng. Ann. & Mag. N. H. (8) x. 1892, 
p- 302. 
Snout short, obliquely truncate, with sharp raised angle all 
round; eye rather small. Mostral deeper than broad; nasal 
divided; upper head-scales small, subimbricate, smooth on the 
snout and vertex ; 6 to 9 scales in a transverse series between the 
supraoculars, which are large, larger than the eye; a pair of scales 
separating the internasals in front; three series of scales between 
the eye and the labials; temporal scales obtusely keeled; 7 or 8 
upper labials, second entering the loreal pit, third largest. Scales 
strongly keeled, in 21 or 23 rows. Ventrals 129-130; anal entire; 
subcaudals 43-47 pairs. Brown above, with darker cross-bands or 
alternating large quadrangular blotches; upper surface of head 
dark brown, sides blackish, with a lighter streak along the temple ; 
lower parts brown, with a series of blackish blotches on each side, 
partly on the ventrals, partly on the two lower rows of scales. 
Total length 350 millim. ; tail 60. 
Okinawa, Loo Choo Islands. 
Aves Q (V. 130, 129; C. 438, Okinawa. Mr. Holst [C.]. (Types.) 
). 
‘18. Lachesis strigatus. 
Trimesurus strigatus, Gray, Zool. Miscell, p. 49 (1842), and Cat. 
p.- 10 (1849); Giinth. Rept. Brit. Ind. p. 389, pl. xxiv. fig. D 
(1864); Fayrer, Thanatoph. Ind. pl. xvi. (1874); Theob. Cat. 
Rept. Brit. Ind. p. 224 (1876) ; Bouleng. Faun. Ind., Rept. p. 427 
(1890). 
Atropos darwini, Dum. § Bibr. vii. pp. 1518 & 1520 (1854). 
Trigonocephalus (Cophias) neelgherriensis, Jerdon, Journ. As. Soc. 
Beng. xxii. 1854, p. 524. 
darwini, Jan, Rev. § Mag. Zool. 1859, p. 155. 
Bothrops darwini, Jan, Elenco, p. 126 (1863). 
Rostral broader than deep ; nasal entire ; upper head-scales small, 
smooth, juxtaposed; supraocular small, sometimes broken up; no 
enlarged internasals; 8 to 11 scales in a transverse line between 
the supraoculars ; two or three small postoculars and a subocular, 
which is separated from the labials by one or two series of scales ; 
the shield forming the anterior border of the loreal pit distinct from 
