i85 



with the internasal; one prae- and two postoculars; temporals 

 small; twelve to fourteen upper labials, the anterior four or 

 five deep, the posterior much lower and separated from the 

 eye by small scales; five or six lower labials in contact with 

 the anterior chin-shields, which are much larger than the 

 posterior; the latter separated from one another. Scales in 25 

 or 27 rows; ventrals 133 — 156; anal divided; subcaudals 28 — 41. 



Dark brown above, uniform or with small yellow spots, 

 sometimes forming transverse bars; one or two yellow trans- 

 verse bands on the nape, another between the eyes. Lower 

 surface yellow. Length of head and body 330 mm.; tail 40 mm. 



Habitat: Sumatra (Labuan, Deli!, Lalak and Djapura in 

 Indragiri, Taluk!); Banka!; Borneo (Singkawang, Kuching). — 

 Malay Peninsula. 



8. Hypsirhina doriae (Peters). 



Hoinalophis doriae^ Peters, Mon. Berl. Ac. 187 1, p. 577. 

 Hypsirhina doriae^ Boulenger, Cat. Sn. Ill 1896, p. 1 3. 



Rostral as deep as broad; two internasals; frontal broader 

 than the supraoculars, shorter than its distance from the tip 

 of the snout, as long as the parietals or a little shorter; supra- 

 oculars divided into two or three small shields; two loreals, 

 more deep than long, in contact with the internasal; one 

 prae-, two or three post- and two or three suboculars; tem- 

 porals small; fifteen upper labials, the posterior transversely 

 divided; chin-shields large, separated from the mental by the 

 two anterior pair of lower labials. Scales in 31 or 33 rows; 

 ventrals 141 — 146; anal divided; subcaudals 45 — 55. 



Olive-brown above, yellow below, uniform or spotted with 

 blackish. Length of head and body 680 mm.; tail 120 mm. 



Habitat: Borneo (Sandakan Bay !, Sarawak, Kuching, Baram 

 district!, Kapuas river')), 



39. Homalopsis Kuhl. 



(KuHL, Isis p. 474, 1822). 



Head distinct from neck; eye small; pupil vertically elliptic; 

 shields of head large; nasals in contact, partly divided, the 



i) A specimen from this locality had 27 rows of scales; ventrals 160; sub- 

 caudals 44; length of head and body 715 mm. 5 tail 95 mm. (Bkown, Proc. 

 Acad. Philad. LIV 1902, p. 180). 



