35 



surface yellow, uniform or the ventrals edged with black. Length 

 of head and body 860 mm.; tail 340 mm. 



Nom. in dig. Ular tjahe (mal.). 



Habitat: Nias!; Mentawei Islands (Sipora) ; Sumatra 

 (Labuan, Deli!, Brastagei!, Assahan, Raja Mts. Indragiri, Kerta- 

 djaja in Palembang, Gunung Sugei in Lampong district, Gunung 

 Sahilan!, Taluk!, Ringgat!, Silago, Singkarah!, Kaju tanam!, 

 Indrapura, Rau, Kalung!, Matur!, Baso!, Sungei Pati Bubur 

 near Ajerbangis!, Padang 1500 3000 feet, Agam, Tandjong); 

 Banka; Borneo (Sandakan Bay, Baram river, Kina Balu, Bongon, 

 Sarawak, Kuching, Oya, Rejang river, Singkawang, Pontianak, 

 Telang, Lihong Bahaja, Samarinda!); Java (Buitenzorg!, Depok, 

 Preanger!, Gunung Ungaran!, Salatiga!, Ambarawa, Tengger 

 Mts. 1 200 M.); Celebes (Macassar 2000 feet); Sangir Islands 

 (Siao); Ternate. Malay Peninsula; Penang; Singapore; Burma. 



1 6. Tropidonotus petersi Boulenger. 



Tropidonotus maculatus^ Peters, Mon. Berl. Ac. 1871, p. 575. 

 Tropidonottis petersi, Boulenger, Cat. Sn. I 1893, p. 225. 



Eye moderate; rostral scarcely visible from above; inter- 

 nasals as long as the praefrontals; frontal as long as its distance 

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

 more deep than long; one prae- and three or four postoculars; 

 temporals 2 4- 3 ; nine upper labials, fourth to sixth entering 

 the eye; five lower labials in contact with the anterior chin- 

 shields; latter shorter than the posterior. Scales in 19 rows, all 

 strongly keeled; ventrals 140 150; anal divided; subcaudals 

 65-78. 



Brown above, with small black spots, on each side a series 

 of black spots; head dark olive, vermiculated with black; labials 

 yellow, with black sutures. Lower surface yellow, the shields 

 edged with black. Length of head and body 270 mm.; tail 

 100 mm. 



Habitat: Sumatra (Deli!); Borneo (Kuching, Saribas). 



17. Tropidonotus sarawacensis Giinther. 



Tropidonotus sarawacensis^ Gunther, Proc. Zool. Soc. 1872, p. 596. 

 Tropidonotus saravacensis^ Boulenger, Cat. Sn. I 1893, p. 261. 



Head short; eye large; rostral not or just visible from above; 

 internasals as long as or slightly shorter than the praefrontals; 



