ZAMENI8. 137 



Three species in the Malay Peninsula : — 



Scales in 15 rows ; ventrals 1 GO -177 Z. Icorros, p. 137. 



Scales in 17 rows ; ventrals 187-208 Z. mucosus, p. 137. 



Scales in 21 or 23 rows; ventrals 197-22-5 Z. fasciolatus, p. 138. 



144, Zamenis korros. 



Coluber korros, Schleg. Phys. Serp. ii, p. 139 (1837) ; Cantor, Journ. 



Asiat. Soc. Bengal, xvi, p. 121 (1847). 

 Pti/as korros, Giinth. Kept. Brit. Ind. p. 2-50 (1864). 

 Zamenis korros, Bouleng. Faun. Brit. Ind.,liept. p. 324 (1890) ; id. 



Cat. Sn. i, p. 384 (1893) ; S. Flower, P. Z. S. 1899, p. 666. 



Eye very large. Rostral a little broader than deep; ititernasals 

 shorter than the prsefrontals ; frontal 1| to 1| times as long as 

 broad, as long as its distance from the end of the snout, or a little 

 longer, and as long as the pax'ietals ; usually 2 or 3 loreals ; 

 one large prseocular, usually not touching the frontal, with a small 

 subocular below it; 2 postoculars ; temporals 2 + 2; 8 upper 

 labials, fourth and fifth entering the eye ; 5 lower labials in con- 

 tact with the anterior chin-shields, which are shorter than the 

 posterior. Scales in 15 rows,' smooth, or feebly keeled on the 

 posterior part of the back in the adult. Ventrals 160-177 ; anal 

 divided ; subcaudals 122-145. Brownish or olive above, the 

 scales on the posterior part of the body and on the tail often 

 yellow and edged with black ; lower parts yellow ; young with 

 transverse series of roundish pearl-coloured spots, or with narrow 

 yellow cross-bars. 



Total length 1780 millim. ; tail 700. 



Southern China and Eastern Himalayas to the Malay Peninsula 

 and Archipelago. Recorded from Penang, Patani, Perak, Prov. 

 Wellesley, Selaugor, Kelantan, and Singapore. Common every- 

 where. 



A powerful snake, feeding on frogs, birds, and especially rats, 

 whence the name of Hat-snake given to this and the following 

 species. Possesses, like other species of this and the preceding 

 genus, a superficial resemblance to the Hamadryad. 



145. Zamenis mucosus. 



Coluber mucosus, Linn. Syst. Nat. i, p. 388 (1766). 



Coluber dhumna, Cantor, P. Z. S. 1839, p. 51. 



Ptyas mucosus, Giinth. Kept. Brit. Ind. p. 249 (1864). 



Zamenis mucosus, Bouleng. Faun. Brit. Ind., Kept. p. 324 (1890); 



id. Cat. Sn. i, p. 385 (1893) ; S. Flower, P. Z. S. 1^99, p. 666 ; 



Wall, Journ. Nat. Hist. Soc. Bombay, xvii, p. 259, pi. iii (1906). 



Eye very large. Rostral a little broader than deep ; internasals 

 shorter thau the prtefrontals ; frontal 1^ to H times as long 

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

 as the parietals, or slightly shorter; usually 3 loreals ; one large 



