124. H^PSIKHINA. 11 



labials ia contact with the anterior chin-shields, which are very 

 large ; posterior chin-shields very small and separated by scales. 

 Scales in 27 rows. Ventrals 126-130 ; anal divided ; subcaudals 

 40-48. Pale olive-brown above, with blackish cross-bands separated 

 by narrow interspaces ; these cross-bands with roundish spots of the 

 ground-colour in the middle, tapering to vertical bars on the sides of 

 the body, and forming complete or interrupted rings across the 

 belly ; upper lip, sides, and belly yellow, the labial shields black- 

 edged. 



Total length 1120 miUim. ; tail 150. 



Siam. 



a. ? (V. 126 ; 0. 40). Siam. Sir R. Sohomburgk [P.]. 



12. Hypsirhiua albomaculata. 



Homalopsia albomaculatus, Bum. 8f Bihr. vii. p. 974 (1854). 

 Hypsirhina albomaculata, Jan, Elenco, p. 77 (18(33), Arch. Zool. Anat, 

 Fhys. iii. 1865, p. 259, and Icon. Gin. 28, pi. v. tig. 1 (1868). 



Eostral broader than deep ; two internasals ; each prsefrontal 

 usually longitudinally divided ; frontal broader than the supra- 

 ocular, once and a half to once and two thirds as long as broad, as 

 long as its distance from the end of the snout, as long as or a little 

 shorter than the parietals ; loreal a little longer than deep ; one 

 prae- and one or two postooulars ; temporals l-)-2 or 3 ; nine upper 

 labials, fifth (exceptionally fourth) entering the eye; five or six, 

 lower labials in contact with the anterior chin-shields ; posterior 

 chin-shields smaU and separated by scales. Scales in 27 rows. 

 Ventrals 140-150 ; anal divided ; subcaudals 37-48. Dark olive- 

 brown above, with small yellowish or orange spots ; one or two 

 more or less distinct yellow cross-bars on the nape ; sides and 

 lower parts yellowish or orange, spotted with black. 



Total length 600 millim. ; tail 60. 



Sumatra. 



ffl-c. <S (V. 143 ; C. 47) & Pulo Nias. Hr. Sundermann [C], 



$ (V. 146, 141 ; C. 37, 

 38). 



13. Hypsirhina sieboldii. 



Homalopsis sieboldii, SoUeg. Phys. 8erp. ii. p. 349, pi. xiii. figs. 4 & S' 



(1837) ; Cantor, Cat. Mai. Bept. p. 98 (1847). 

 Ferania sieboldii, Gray, Zool. Misc. p. 67 (1842), and Cat. p. 66 



(1849) ; Giinth. Bept. Brit. Ind. p. 284 (1864) ; Anders. Proc. Zool. 



Soc. 1871, p. 180; Theob. Cat. Bept. Brit. Ind. p. 184.(1876);. 



Murray, Journ. Bomb. Soc. i. 1886, p. 219. 

 Trigonurus sieboldii, Dum. Sf Bibr. vii. p. 960 (1854). 

 Hypsirhina sieboldi, Jan, Elenco, p. 78 (1863), Arch. Zool. Anat. Phys, 



iii. 1865, p, 260, and Icon. GSn. 30, pi. iv. fig. 2 (1868) ; BouUng. 



Faun, ind., Bept., p. 377 (1890) ; W. Sclater, Journ. As. Soc. Beny, 



Ix. 1891, p. 245. 

 Paranoides iamnseticus, Carlleyle, Journ. As. Soc. Beng. xxxviii. 1869, 



p. 196. 



