664 MB. STATSTLET S. FLOWER ON THE [May 16, 



117. Maceopisthodotst tlaviceps (D. & B.). 



Tropidonotus leucomelas. Giinth. Eept. Brit. Ind. p. 271, pi. xxii. 

 fig. I. 



Macropistliodon jlaviceps, Blgr. Cat. Snakes, i. p. 266. 



The type of T. leucomelas is supposed to be from Penang. Mr. 

 Wray has obtained this species in Perak. 

 Hab. Malay Peninsula, Sumatra, Borneo. 



118. Macropisthodon ehodomblas (Boie). 

 Macropisiliodon rhodomelas, Blgr. Cat. Snakes, i. p. 266. 



This snake is frequently found in Singapore (c/. P. Z. S. 1896, 

 p. 880), and has been recently recorded from Pahang (R. Hanitsch, 

 Eep. Raffles Libr. & Mus. 1897, p. 9). 



ITah. Malay Peninsula, Sumatra, Java, Borneo, and Celebes (a 

 specimen in the Raffles Museum is said to be from Macassar). 



119. Helicops schistosus (Daud.). 



Tropidonotus schistosus, Cantor, p. 91. 

 Atretium schistosum, Giinth. Eept. Brit. Ind. p. 273. 

 Helicops schistosus, Blgr. Cat. Snakes, i. p. 274. 

 Rab. Malay Peninsula (Cantor), Ceylon, Southern India, Bengal 

 Yunnan, Burma. 



120. Ltcodon auliotjs (L.). 



Lycodon aulicus, Blgr. Cat. Snakes, i. p. 352. 



Siamese. " Ngu how-peek-kaao," also " Ngu ngaukh." 



This little snake, which not unfrequently is found in inhabited 

 houses, is recorded from Penang, Singapore, and the Malay 

 Peninsula. The British Museum Catalogue mentions specimens 

 from Siam, presented by Mr. Newman, and from Cambodia, 

 collected by M. Mouhot. Personally I have obtained this species 

 from Penang (sea-level and at 2200 ft. elevation), from Alor Star, 

 Kedah, and from Bangkok and Chantaboon ; all these were of 

 Var. D. 



Description. In eleven Siamese and Malay individuals the 

 number of ventral shields varied from 192 to 207, and the sub- 

 caudal s from 61 to 75. In one specimen from Penang the 4th 

 and 5th subcaudals were single. 



Colour (in life). — Var. D. Above brown, with fine, narrow, 

 yellow reticulations ; a triangular yellow blotch on each side of 

 tbe occiput, confluent in the centre, forming a collar; labials 

 yellow, all of them or only the anterior ones spotted with brown. 

 Below uniform white or pale yellow. 



Size. A Bangkok specimen measured 540 ram. in total length. 



Bab. Ceylon, India, Himalayas, Burma, Siam, Cambodia, 

 Cochinchina, Malay Peninsula, Sumatra, Java, Sumba, Savu, 

 Ombaai, Plores, Timor, Celebes, Philippines, Mascarene Islands 

 (introduced). 



N.B. — I know no instance of Lycodon jara occurring in Siam j 



