Dec. 1913. ON llMPTILES AND BATBAGHIANS FROM 245 

 THE COAST AND ISLANDS OF SOUTH-EAST SIAM. 



the tail, pinkish mottled with dark grey. Throat white, iris and 

 tongue, dark brown. 



The young individual referred to from Hup Bon, was, as is fre- 

 quent with many snakes, much more vividly coloured than the adult, 

 with strongl}^ marked cross-bars and a broad black chevron upon the 

 nape, pointing forwards. 



25. Tropidonotus subminiatus, Schleg. 



Amphiesma subinin/atuin, Mocqnard, Les Reptiles de L'Indo-Cliine, p. 



47, (1907). 



Natrlx siibmineafa, Barbour, Memoirs M.C.Z., Nov. 1912, XLIV, 



No I, p. Ill 



Tropidonotus suhininiatiis, Suiitli. Jomn. Nat. Hist. Soc. Siain, I, p. 15 



(1914). 



Two specimens from Ok Yam ; apparently common everywhere 



in Siam. 



2(5. Coluber radiatus, Cantor. 



Blgr, Fascic. Malay. Zool., I. p. 163 (1903); Smith, Journ. Nat. Hist. 

 Soc Siam,I, p. 95 (1914) ; Wall, Journ. Bombay N. H. S., XXIII, 

 p. 206 (1915) 



One specimen was taken on Koh Chang ; it appears to be a 



common snake in most parts of the countrj^ 



27. SiMOTES CTCLTJRUS, Cantor. 



Mocqnard, Les Reptiles de r[ndo-Cliiae, p. 46 (1907); Sdiitli, Journ. 

 Nat. Hist. See. Siam, p. 97 (1914); 



Two specimens from Koh Chang and Klong Yai : a very com- 

 mon snake in Siam. To this form which has 21 rows of scales and no 

 longitudinal streaks the names of fasciolatics and cocldncliinen&is have 

 been attached. 



28. SiMOTES INORNATUS, Blgr. 

 Boulenger, Journ. Nat Hist Soc. Siam, Vol. 1, p. 68 (19M). 



One example from Koh Kut, an anomalous individual with the 

 .4th and 5th upper labials fused. As it appears to differ somewhat in 

 other respects from the two specimens already known, we give a 

 description of it here. 



Nasal divided, portion of rostral seen from above as long as 

 its distance from the frontal ; suture between the internasals about 

 one-third that between the prae-frontals : frontal one and one-third 

 longer than broad_, nearly one-fourth longer than its distance from end 



