11. lACHESIS. 549 



s. ? (Sc. 23 ; V. 142 ; 0. Mt. Mooleyit, 4500 ft. Col. Beddome rC.l 



86). '- -' 



t-v. d (So. 25; V. 162; Toungyi, Shan States, Lieut. Blakewav fCl 



0. 49), 2 (Sc. 27 ; V. 5000 ft. ^ ^ ■'' 



150; 0. 40), & yg. (Sc. 



25 ; V. 144 ; 0. 48). 

 IP. Yg. (Sc. 23 ; V. 147 ; Toungyi, Shan States. E. W. Dates, Esq. [P.]. 



0. 45). 

 X. 2 (Sc. 23; V. 134; Singapore. 



C. 24). 



17. Lachesis okinavensis. (Plate XXV. fig. 2.) 



Trimereaurua okinavensis, Bmleng. Ann. & Mag. N. H. {&) x. 1892. 

 p. 302. ^ ^ ' 



Snout short, obliquely truncate, with sharp raised angle all 

 round; eye rather small. Eostral 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 360 millim. ; tail 60. 



Okinawa, Loo Choo Islands. 



a-b. ? (V. 130, 129 ; C. 43, Okinawa. Mr. Hoist [C.]. (Types.) 



18. Lachesis strigatus. 



Trimesurus strigatus. Gray, Zool. Miscell. p. 49 (1842), and Cat. 



p. 10 (1849) ; Giinth. Rept. Brit. Ind. p. 389, pi. xxiv. %. D 



(1864); Fayrer, Thanatoph. Ind. pi. xvi. (1874); Theob. Cat. 



Mept. Brit. Ind. p. 224 (1876) ; Bouleng. Faun. Ind., Rent. p. 427 



(1890). 

 Atropos darwini. Bum. ^ Bibr. vii. pp. 1518 & 1520 fl854). 

 Trigonocephalua (Oophiaa) neelgherriensis, Jerdon, Journ. As. Soc. 



Beng. xxii. 1854, p. 524. 



darwini, Jan, Rev. ^ Mag. Zool. 1859, p. 165. 



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 



