l82 



eight upper labials, fourth entering the eye; four lower labials 

 in contact with the anterior chin-shields; posterior chin-shields 

 longer and separated from one another. Scales in 21 rows 

 (19 or 23); ventrals 150 — 177; anal divided, subcaudals 47 — 78. 



Brown, olive or dark grey above, with two light longitudinal 

 bands, sometimes indistinct. Lower surface white, with a dark 

 line on each side of the ventrals and a median dark line or 

 series of dots, which is sometimes absent. Length of head and 

 body 545 mm.; tail 135 mm. 



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



Habitat: Sumatra (Djambil, Kertadjaja, Palembang- 

 district!, Padang); Java (Batavia, Buitenzorg, Pekalongan!, 

 Ambarawa, Salatiga!); Banka!; Borneo! (Singkawang, Montrado, 

 Simanggang, Saribas, Kapuas river, Bandjermassin); Celebes 

 (Macassar); New Guinea (Lorentz river). — Singapore, Penang; 

 Malay Peninsula; Siam; Cochin China; S. China; Burma; 

 India; Ceylon. 



4. Hypsirhina matannensis Boulenger. 

 Hypsirhina Matannensh^ Boulenger, Proc. Zool. Soc. 1897, p. 225, pi. XV, fig. 1. 



Rostral more broad than deep; two internasals; frontal broader 

 than the supraocular, longer than its distance from the tip 

 of the snout, shorter than the parietals; loreal more long than 

 deep, not in contact with the internasal; one prae- and one 

 postocular; temporals 1 + 2; eight upper labials, fourth and 

 fifth entering the eye; five lower labials in contact with the 

 anterior chin-shields; posterior chin-shields shorter and sepa- 

 rated from one another. Upper head-shields, labials, chin-shields 

 and scales of the throat rough with granules. Scales in 21 

 rows; ventrals 137; anal divided; subcaudals 43. 



Dark olive-brown above, with an indistinct dark line on the 

 vertebral scales. Throat yellowish- white; anterior ventrals 

 yellowish-white with large transverse olive-brown spots; middle 

 ventrals almost olive-brown; posterior ventrals and subcaudals 

 olive-brown with yellowish borders; an olive-brown line on 

 the middle of the tail below. Length of head and body 

 175 mm.; tail 65 mm. 



Type-specimen received from the Basle Museum, examined. 



Habitat: Celebes (Lake Matanna!). 



