54, ZAMENIS. 
(V. 168; C.?). Singapore. nnys [P.}. 
7 Y. 166; 0.# sie @ ‘Lyon ies Trey J. 
. k (V. 162; C. 140). yg Archipelago. Dr. Bleeker. 
. E. Indies. 
3. Zamenis mucosus. 
Mee. Serp. i, pl. xxxiv. (1796), and ii. pl. xxiii. fig. 2 
SMe risen: ‘Linn. S. N. i. p. 888 (1766); Daud. Rept. vi. 
p- 355 (1803). 
Natrix mucosa, Laur. Syn. Rept. p. 77 (1768). 
Coluber blumenbachii, Merr. Tout, 119 (1820); Schley. Phys. 
By “nla p- 137, 1 all figs. 7 & 8 (1837). 
Cantor, Proc. Zool. Soc. 1839, p. 51. 
Co saat blumenbachii, Dum. § Bibr. vii. p. 184 (1854) ; Giinth. 
P: 111 (1858) ; Jan, Icon. Gén. 24, pl. ii. figs. 2-4 (1867). 
Leptophis trifrenatus, Hallow. Proc. Ac. Philad. 1880, p. 503. 
arenes Cope, Proc, Ac. Philad. 1860, p. 563 ; ’ Giinth. t. 
Tad 248 246 ( (1864); Stoliceka, Journ. As. Soe. Beng. xxxix. 
1870, . tie. p. 372; Theob. Cat. Rept. Brit. Ind. 
p, 168 "1876) ; <a An. Zool. Res. Yunnan, p. 815 (1879) ; 
oettg. Zool, Jahrb, iii. 1888, p. 931. 
Zamenis mucosus, Bouleng. Faun. Ind., Rept. p. 324 (1890). 
Snout slightly pro pjeoting, obtuse; eye very large. Rostral a 
little broader than deep, visible from above; internasals shorter 
than the prefrontals; frontal once and a quarter to once and a half 
as long as broad, as long as its distance from the end of the snout, 
as long as the parietals or slightly shorter; usually three loreals ; 
one large preocular, not in contact with the frontal, with a small 
subocular below it ; two postoculars ; temporals 2+2; eight upper 
labials, fourth and fifth entering the eye; five lower labials in 
contact with the anterior chin-shields, which are shorter than the 
posterior ; latter in contact anteriorly. Scales more or less strongly 
keeled on the oer part of the back, in 17 rows. Ventrals 
187-208; anal divided; subcaudals 95-140. Brown above, 
frequently with more or less distinct black cross bands on the 
part of the body and on the tail; young usually with 
fone. cross bands on the front half of the body. Lower surfaces 
yellowish ; the posterior ventral and the caudal shields may be 
edged with black. 
Total length 2100 millim. ; tail 500. 
Transcaspia, Afghanistan, India and Ceylon, Burma, Southern 
China, Siam, Malay Peninsula, Java. 
a. ¢ (V. 188; C. 112). wc Hong H.MS. ‘ Challenger.’ 
ong. 
b-c. do (V. 187; C. 105) Formosa. R. Swinhoe, Esq. [C.}. 
go ae 1.0. Jerd 
re. . O. on .fP. 
E, 0) 6. ES 
192, 194; C 1 
VOL. I. 2¢ 
