55 



Sil'vnophis geminaitis^ Barbour, Mem. Mus. Comp. Zool. Harv. Coll. XLIV 

 1912, p. 107. 



Rostral twice as broad as deep, visible from above ; sviture 

 between the internasals shorter than that between the prae- 

 frontals; frontal longer than its distance from the tip of the 

 snout, shorter than the parietals; loreal as long as deep or 

 slightly more deep; a praeocular; two postoculars, in contact 

 with the parietal; temporals 2 + 2; nine upper labials, fourth 

 to sixth entering the eye ; four lower labials in contact with 

 the anterior chin-shields ; latter as large as the posterior. Scales 

 in 17 rows; ventrals 144 — 183; anal divided; subcaudals 



(51) 89—145- 



Brown or black above, usually with two light longitudinal 



Fig. 32. Polyodonlophis geminatus (Boie) X Hi- ■''•^^ view of head. 



streaks, which may be black-spotted ; upper lip with a white, 

 black-edged streak ; a yellow or black collar sometimes present, 

 head yellowish, reddish-brown or dark brown above, with 

 yellow black-edged spots. Lower surface yellowish, each ventral 

 and subcaudal with a black spot at the outer end. Length 

 of head and body 485 mm.; tail 335 mm. (tip broken). 



Habitat: Nias; Sumatra (Serdang!); Borneo (Kina Balu, 

 Baram, Muching, Kuching, Sarawak, Mukah, Singkawang, 

 Pontianak river); Java (Buitenzorg, Tjipanas!, Salatiga!, Nong- 

 kodjadjar in Tengger Mts. 1300 M. !); Lombok. — Malay 

 Peninsula; Singapore; Siam. 



