3. xi;xodi;rmus. — 4. stoliczkaia, 175 



3. XENODERMUS. 



Xenodermus, Rcinh. Goers. Vidensk. Selsk. Fork. 1836, p. 6; Wieqm. 

 Arch. f. Nat. 1837, p. 130; Rcinh. Vidensk. Sel.^k. Skrift. x. 1843, 

 p. 2o7; Oraij, Cat. Sn. p. 81 (1819); Dum. ^- Dibr. Erp. G6n. 

 vii. p. 45 (1854). 



Gonionotiis, Gray, in Stokes s Discov. in Austral, i. p. 502 (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 ; vcntrals well 

 developed. Tail long, with single subcaudals. 



Java ; Sumatra ; Pinang. 



1. Xenodermus javanicus. 



Xenodermus iavanicus, Reinh. Overs. Vidensk. Selsk. Forh. 1836, 



p. 0, and Vidensk. Selsk. Skrift. x. 1843, p. i?57, pi. ii. figs. 1-8 ; 



Grai/, Cat. p. 81 (1849) ; Uinn. ^- Bibr. vii. p. 45, pi. Ixiii. (1854). 

 Gonionotus plumbeus, Gray, in Stokes's Discov. in Austral, i, p. 503, 



pi. iv. (1846). 

 Xenoderma javanicum, F. Midi. 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. Yentrals 

 173-185; anal entire; subcaudals 147. Dark brown above, 

 lighter beneath. 



Total length 350 millim. ; tail 135. 



Java, Sumatra, Pinang. 



a. (S (V. 173; C. 147). Java. {Type oi Gonionotus j^lumbeus.) 



4. STOLICZKAIA. 



Stoliczkia, Jerdon, Proc. As. Soc. Benq. 1870, p. 81 ; Boulenr/. Faun. 

 Lid., 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 vcntrals, which are well 

 developed. Tail long; sul)caudals single. 



Khasi Hills, N.E. India. 



