112 



visible from above; internasals much shorter than the prae- 

 frontals; frontal usually shorter than its distance from the tip 

 of the snout, shorter than the parietals; loreal long, not entering 

 the eye, in contact with the internasal; one praeocular, usually 

 in contact with the frontal; two (sometimes three) postoculars; 

 temporals 2 + 3 or 3 + 3; nine upper labials, third to fifth 

 entering the eye; four or five lower labials in contact with 

 the anterior chin-shields; latter longer than the posterior. Scales 

 in 17 rows, smooth; ventrals 176 — 224, with an obtuse lateral 

 angle; anal divided (rarely entire); subcaudals 53 — 80 pair. 



Brown above, with a fine yellow network; a yellow collar 

 or a triangular yellow spot on each side of the occiput; some- 

 times yellow transverse, bifurcating bands on the back or a 

 series of quadrangular yellow spots; labials yellow, some or 

 all with a brown spot. Lower surface white or pale yellow. 

 Length of head and body 400 mm.; tail no mm. 



Nom. indig. Ular tana (mal.). 



Habitat: Sumatra (Labuan in Deli, Singkel, Palembang- 

 district!); Java (Tangerang!, Batavia!, Buitenzorg!, Anjer, 

 Depok, Pekalongan!); Bali; Sumbawa; Suniba; Savu; Rotti!; 

 Timor!; Flores!; Lomblem; Alor; Wetar; Saleyer!; Celebes 

 (Raha, Macassar!, Tempe!, Bonthain); Kalao Island. — PhiHp- 

 pines; Malay Peninsula; Singapore; Penang; Andamans; Nico- 

 bars; Cochin China; Siam; Burma; Himalayas; India; Ceylon. 



The female lays a few eggs, 3 — 9. 



6. Lycodon effrenis Cantor. 



Lycodon effraenis^ Cantor, Cat. Mal. Rept. 1847, p. 70, pi. XL, fig. 2. 

 Lycodon effrenis^ Boulenger, Cat. Sn. I 1893, p. 356 (s. syn.). 



Snout much depressed; eye moderate; rostral just visible 

 from above; internasals half as long as the praefrontals; frontal 

 as long as or slightly longer than its distance from the tip of 

 the snout, shorter than the parietals; no loreal; praefrontal in 

 contact with the second and third labials; a praeocular, not 

 in contact with the frontal; two or three postoculars; temporals 

 2 + 3 or 3 + 3; nine upper labials, third to fifth entering the 

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

 latter longer than the posterior. Body slender; scales in 17 

 rows, smooth; ventrals 215 — 228, with a lateral angle; anal 

 entire; subcaudals 75 — 98 pair. 



