140 



Islands; Borneo (Kina Balu, Pangkalan ampat, Kuching, Saribas, 

 Kidi district, Baram, Kutei); Java (Anjer, Pandeglang, Batavia, 

 Buitenzorg, Salak, Sukabumi!, Ambarawa, Willis Mts. 5000 feet, 

 Ngawi, Tcngger Mts. 1200 M.). — Penang; Malay Peninsula. 



4. Ablabes longicauda Peters. 



Ablabes longicaudus^ Peters, Mon. Bed. Ac. 1 871, p. 574. 



Diadophis bipunctatu<:^ v. Lidth de Jeude, M. Weber's Zoolog. Ergebn. I 1890, 



p. 184, pi. XVI, fig. 9. 

 Ablabes longicauda^ Boulenger, Cat. Sn. II 1894, p. 284. 



Rostral more broad than deep, visible from above; nasal 

 divided; internasals as long as or shorter than the praefrontals; 

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

 shorter than the parietals; loreal small, sometimes confluent 

 with the posterior nasal; one or two prae- and two postoculars; 

 temporals i + 2; eight (seven) upper labials, third to fifth (third 

 and fourth) entering the eye; four lower labials in contact 

 with the anterior chin-shields; latter a little longer than the 

 posterior. Scales in 13 rows; ventrals 1 10 — 122; anal divided; 

 subcaudals 'j'j — 103. 



Dark brown or black above, with five orange longitudinal 

 lines, disappearing on the posterior part of the body; the 

 vertebral line beginning behind the nape, the dorso-laterals 

 widening in front, descending obliquely with black borders 

 towards the throat; a yellow chevron-shaped collar, pointing 

 backwards, the point confluent with the vertebral line; the 

 black of the head continued on the temple as a triangular 

 spot; eye bordered with black; upper lip yellowish with a few 

 black spots. Lower surface red, a brown spot at the outer 

 end of each ventral. Length of head and body 260 mm.; 

 tail 170 mm. 



Habitat: Sumatra (Deli, Kaju tanam (type of Diadophis 

 bipunctatiis Lidth)!); Borneo (Rejang river, Mt. Batu song, Busau, 

 Baram, Matang, Bidi, Kidi district in Sarawak!); Java (Suka- 

 bumi!). — Penang; Malay Peninsula. 



30. Oreocalamus Boulenger. 

 (Boulenger, Ann. Nat. Hist. (7) IV p. 452, 1899). 



Head not distinct from neck; eye small; pupil round; nostril 

 between a nasal and the first upper labial; internasals present; 



