3. XENODSRMUS.—4, STOLICZKAIA, 175 
3. XENODERMUS. 
Xenodermus, Reinh. Overs. Vidensk. Selsk. Forh. 1836, p. 6; Wiegm. 
Arch. f. Nat. 1837, p. 136; Reinh. Vidensk. Selsk. Skrift. x. 1843, 
p- 257; oe Sn. p. 81 (1849); Dum. § Bibr. Erp. Gén. 
vii. p. 45 (1854) 
Gonionotus, Gray, in Stokes's Discov. in Austral. i. p. 602 (1846). 
Teeth subequal, about 15 in each maxillary. Head distinct 
from neck, covered with granular juxtaposed scales ; nostrils 
directed forwards, in an undivided nasal; eye moderate, with round 
pupil. Body slender, compressed, with small juxtaposed keeled 
scales and longitudinal rows of large tubercles; ventrals well 
developed. Tail long, with single subcaudals. 
Java; Sumatra; Pinang. 
1, Xenodermus javanicus. 
Xenodermus javanicus, Reinh. Overs. Vidensk. Selsk. Forh. 1836, 
p- 6, and Vidensk. Selsk. Skrift. x. 1843, p. 257, pl. ii. figs. 1-8; 
Gray, Cat. p. 81 (1849); Dum. §& Bibr. vii. p. 45, pl. Lxiii. (1854). 
asa sine esa Gray, in Stokes’s Discov. in Austral. i. p. 503, 
pl. iv. (1846). 
Xenoderma javanicum, F. Miill. Verh, nat. Ges. Basel, viii. 1887, 
p- 268. 
Rostral small, triangular, not visible from above ; nasals meeting 
behind the point of the rostral, followed by two pairs of small 
shields; labials scarcely enlarged, about 20 on each side; no chin- 
shields. About 40 scales across the body; the tubercles disposed 
in pairs alternating with single ones on the vertebral line, and 
forming a single series along each side of the back. Ventrals 
173-185; anal entire; subcaudals 147. Dark brown above, 
lighter beneath. 
Total length 350 millim.; tail 135. 
Java, Sumatra, Pinang. 
a. dg (V.178; 0.147). — Java. (Type of Gonionotus plumbeus.) 
4. STOLICZKAIA. 
Stoliczkia, Jerdon, Proc. As. Soc, Beng. 1870, p. 81; Bouleng. Faun. 
Ind., Rept, p. 354 (1890). 
Teeth small, subequal, about 14 in each maxillary. Head 
distinct from neck, covered with large shields; nostrils directed 
forwards ; nasal shield undivided; eye small, with round pupil. 
Body slender, compressed ; scales elliptical, juxtaposed, strongly 
keeled, increasing in size towards the ventrals, which are well 
developed. Tail Jong; subcaudals single. 
‘ Khasi Hills, N.E. India. 
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