ABLABES. 151 



large patch on the occiput being distinguishable ; lower parts 

 coral-red, with square black spots, at least on the posterior third 

 of the belly ; a large black spot at the base of the tail, and some- 

 times a second near the tip. 



Total length 350 millim.; tail 45. 



Burma. 8toliczka has mentioned a specimen in a collection 

 received from Penang and Province Wellesley. 



Genus ABLABES. 

 Dum. & Eibr. Erp. Gen. vii, p. 304: (1854). 



Maxillary teeth small, equal, 15 to 30; mandibular teeth sub- 

 equal. Head not or scarcely distinct from neck ; eye rather 

 small or moderate, with round pupil ; loreal present or absent ; 

 nasal entire or divided. Body cylindrical, usually slender ; scales 

 smooth or feebly keeled, without apical pits, in 13 or 15 rows ; 

 ventrals rounded. Tail moderate or long ; subcaudals in two rows. 



South-Eastern Asia and Japan. 



Three species in the Malay Peninsula : — • 



Nasal single ; no loreal; scales in 15 rows ; sub- 

 caudals 103-137 A. triculo?-, p. 151. 



Nasal divided : loreal present ; scales in 13 rows ; 



subcaudals 58-75 A. baliodirm, p. 152 



Nasal divided ; loreal present or absent ; scales 



in 13 rows; subcaudals 77-103 A. lonyicanda, p. 152.. 



162. Ablabes tricolor, 



Herpetodn/m tricolor, Scldeg. Phys. Serp. ii, p. 187, pi. vi, figs. 16- 



18 (1837). 

 Ahlahes tricolor, Bouleng. Cat. Sn, ii, p. 281 (1894) ; S. Flower, 



P. Z. S. 1899, p. 673. 



Snout rather long and depressed, twice as long as eye ; rostral 

 broader than deep ; nasal entire ; no loreal, the prfefrontal in con- 

 tact with the second and third labials ; frontal not broader than 

 the supraocular, as long as its distance from the end of the snout, 

 shorter than the parietals ; one prae- and two postoculars ; tem- 

 porals 1 -|- 2 ; 8 upper labials, fourth and fifth entering the eye ; 

 4 or 5 lower labials in contact with the anterior chin-shields, 

 which are a little shorter than the posterior. Scales in 15 rows. 

 Ventrals 140-187 ; anal divided ; subcaudals 103-137. Olive or 

 greenish above ; a black streak on each side of the head and 

 anterior part of the body, passing through the eye; upper lip and 

 lower parts yellowish white ; a pale olive streak along each 

 side of the bellv. 



Total length 560 millim. ; tail 220. 



Malay Peninsula and Archipelago. Known from Penang, 

 Kelantan, and Singapore, and met with in Perak. 



