133 



frontal fused with loreal and touching the second upper labial; 

 one prae- and one postocular; temporals i + 2; seven upper 

 labials, third and fourth entering the eye. Scales in 15 rows; 

 ventrals 193; anal divided; subcaudals t^j. 



Greyish-brown above, with a yellowish-brown median band, 

 covering the vertebral row of scales and the next half. Lower 

 surface yellowish- white; outer end of the ventrals alternatively 

 light and dark. Length of head and body 210 mm.; tail 31 mm. 

 (After Werner; not seen by me). 



Habitat: Pulu Weh (Sabang). 



9. Oligodon vertebralis (Giinther). 



Siinotes vertebralis^ Giinther, Ann. Nat. Hist. (3) XV 1865, p. 91. 

 Oligodon vertebralis^ Boulenger, Cat. Sn. II 1894, p. 245, pi. XI, fig. 2. 



Rostral visible from above; nasal divided; suture between 

 the internasals longer than that between the praefrontals; frontal 

 longer than its distance from the tip of the snout, shorter 

 than the parietals; loreal small, square; one prae- and two 

 postoculars ; temporals i+2; seven upper labials, third and 

 fourth entering the eye; four lower labials in contact with the 

 anterior chin-shields; latter about twice as large as the posterior. 

 Scales in 15 rows; ventrals 154; anal divided; subcaudals 54. 



Brown above, with small yellow, black-edged spots, largest 

 on the vertebral line; head yellowish, with two brown, black- 

 edged bands, the anterior passing through the eyes; the 

 posterior across the frontal. Lower surface yellowish; throat 

 brown-spotted. Length of head and body 270 mm.; tail 75 mm. 



Type-specimen examined in the British Museum. 



Habitat: Borneo (Kina Balu!, Bandjermassin!). 



10. Oligodon waandersi (Bleeker). 



Rhabdion waandersi^ Bleeker, Nat. Tijdschr. Nederl. Ind. XXII i860, p. 83. 

 Oligodon waandersii^ Boulenger, Cat. Sn. II 1894, p. 245, pi. XI, fig. 3; Proc. 



Zool. Soc. 1897, p. 221. 

 Oligodon taeniurns^ F. Miiller, Verh. Ges. Basel X 1894, p. 826. 



Rostral visible from above; nasal entire or partly divided; 

 suture between the internasals as long as or longer than that 

 between the praefrontals; frontal longer than its distance from 

 the tip of the snout, as long as or shorter than the parietals; 

 loreal small or absent; one prae- and two postoculars; tem- 



