96 



1. Zamenis dipsas (Schlegel). 



Hcrpeiodryds dipsas^ Schlegel, Phys. Serp. 1837, p. 197. 

 Zame7iis dipsas^ Boulenger, Cat. Sn. I 1893, p. 383. 



Snout obtuse, projecting; eye very large. Rostral just visible 

 from above; internasals shorter than the praefrontals; frontal 

 as long as or longer than its distance from the tip of the snout, 

 shorter than the parietals; loreal more long than deep; prae- 

 ocular single or divided; not touching the frontal; a small 

 subocular below; two postoculars; temporals 1+2 or 2 + 2; 

 eight upper labials, fourth and fifth entering the eye; four or 

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

 latter shorter than the posterior. Scales smooth, in 13 rows; 

 ventrals 187 — 197; anal entire; subcaudals 102 — 139. 



Blackish-brown above; sides yellow anteriorly with vertical 

 black bars; upper lip yellow. Lower surface yellow anteriorly, 

 brown in the middle, blackish-brown posteriorly. Young speci- 

 mens pale yellowish-brown with dark spots or cross-bands or 

 with two dark dorsal stripes, uniformly olive posteriorly; a 

 yellow collar, sometimes interrupted in the middle. Length of 

 head and body 1450 mm.; tail 550 mm. 



Habitat: Celebes (Manado!, Tomohon, Rurukan!, Kolaka 

 on Mingkoka Bay); Halmahera. 



2. Zamenis korros (Schlegel). 



Coluber korros^ Schlegel, Phys. Seip. 1837, p. 139. 



Zanu'tiis korros^ Boulenger, Cat. Sn. I 1893, p. 384. 



Ptyas korros^ Barbour, Mem. Mus. Comp. Zool. Harv. Coll. XLIV 1912, p. 115. 



Snout obtuse, projecting; eye very large. Rostral visible 

 from above; internasals shorter than the praefrontals; frontal 

 as long as its distance from the tip of the snout or a little 

 longer, as long as the parietals; two or three loreals; a large 

 praeocular, sometimes touching the frontal; a small subocular 

 below; two postoculars; temporals 2 + 2; eight upper labials, 

 fourth and fifth entering the eye; five lower labials in contact 

 with the anterior chin-shields ; latter shorter than the posterior. 

 Scales smooth or feebly keeled on the posterior part of the 

 body, in 15 rows; ventrals 160 — 177; anal divided; sub- 

 caudals 122 — 145. 



Brown or olive above; the scales on the posterior part of 

 the body and on the tail often yellow and edged with black. 



