io6 

 9. Coluber subradiatus Schlegel. 



Coluber subradiatus^ Schlegel, Phys. Serp. 1837, p. 136. 

 Coluber subradiatus^ l^oulenger, Cat. Sn. II 1894, p. 64. 



Rostral much more broad than deep; internasals shorter than 

 the praefrontals; frontal as long as its distance from the tip 

 of the snout, shorter than the parietals; loreal more deep than 

 long; praeocular large; a subocular; two postoculars; temporals 

 2 + 2 or 2 + 3; nine upper labials, fifth and sixth entering 

 the eye, fourth very small; five lower labials in contact with 

 the anterior chin-shields; latter much shorter than the posterior. 

 Scales in 23 or 25 rows (25 or 27 on the neck); ventrals 

 226- — 248; anal entire; subcaudals 80 — -102. 



Reddish-brown above, with two black stripes along each 

 side of the anterior part of the body; the stripes sometimes 

 broken up into spots; a black streak behind the eye. Lower 

 surface yellowish. Length of head and body 990 mm.; tail 

 260 mm. 



Habitat: Lombok; Flores!; Alor; Sumba; Rotti!; Timor!; 

 Samao!. 



19. Gonyophis Boulenger. 



(BOULENGER, Ann. Nat. Hist. (6) VIII p. 290, 1891). 



Head long, distinct from neck; eye moderate; pupil round. 

 Maxillary teeth 23, equal; mandibular teeth about equal. Body 

 long, compressed, covered with feebly keeled scales with pits, 

 in 19 rows, disposed obliquely anteriorly; ventrals with a 

 lateral keel and a notch on each side. Tail long; subcaudals 

 in two rows, keeled and notched like the ventrals. 



Distribution. Malay Peninsula; Borneo. 



A single species. 



I. Gonyophis margaritatus (Peters). 



Gonyosoma margaritatuni^ Peters, Mon. Berl. Ac. 1871, p. 578; Ann. Mus. Civ. 



Geneva III 1872, p. 39 pi. V, fig. 3. 

 Gonyophis margaritatus^ Boulenger, Cat. Sn. II 1894, p. Ti. 



Rostral more broad than deep, visible from above; internasals 

 shorter than the praefrontals; frontal as long as its distance 

 from the tip of the snout, shorter than the parietals; loreal 

 more long than deep; praeocular just touching the frontal or 

 separated from it; two postoculars; temporals 2 + 2or3; nine 



