204 



as long as deep; two or three prae- and three or four post- 

 oculars; eight upper labials, third to fifth entering the eye; 

 third lower labial very large, bordering the mental groove 

 behind the anterior chin-shields. Scales in 17 rows; ventrals 

 152 — 17 1; anal entire; subcaudals 60 — 80. 



Yellowish, reddish or pale brown above, with dark trans- 

 verse bands between two light stripes or a dark vertebral 

 band ; a dark streak on each side of the head, passing through 

 the eye and across the rostral, edged above with white in 



Fig. 78. Psammodynastcs pictiis Gthr. Nat. size. Side view of head. 



young specimens. Lower surface whitish, speckled with brown 

 and with brown dots. Length of head and body 400 mm.; 

 tail 118 mm. 



Nom. indig. Ular percha or U. berang (Borneo). 



Habitat: Simalur!; Sumatra (Perlak in Atjeh, Tandjong 

 Morawa, Labuan, Medan!, Deli, Langkat, Gunung Sahilan!, 

 Ajer bangis!); Banka; Biliton; Riou!; Borneo! (Sandakan Bay, 

 Labuan, Mt. Dulit, Rejang river, Kuching, Kidi district, Kapuas 

 river, Telang, Balikpapan). — Malay Peninsula. 



47. Dryophis Dalman. 

 (Dalman, Oefvers. of Zool. Arb. Stockholm, 1822). 

 Head long, distinct from neck; canthus rostralis strong; lores 



