244 JO UBNAL, NA 'TTJRAL HIST. SOCIETY OF SIAM. VoL T. 



OPHIDIA. 

 19. Python jtETicuLATUS, Schneid. 



Mooquard, Lt'S Reptiles de rindo-Chiiu', p 42 (1907); Smith, 



Jouni Nat. Hist. Soc. Siam, 1, p. (1914). 



One small example was obtained on Koli Chang where it was 



said to be common. The Reticulated Python has been found on most 



of the islands at the head of the Gulf, and is not uncommon on the 



mainland. 



20, Chersydeus gkanulatus, 8chneid. 



Wall, Jour. Bombav. N H Soc. XXIII, p 372. Barbour, Memoirs 

 M.C.Z., Nov. 1912," XLIV, No. 1, p. lOG. 

 One example from Koh Chang ; this species is fairly connnon 

 in the Gulf. 



21. PoLYODONTOPHis coLLARis, Gray. 



One example from Koh Chang. This species, only recently 

 recorded from Siam, appears to be widely, though sparingly distri- 

 buted throughout the country. 



22. TinriDONOTUS piscatoh, Schneid. 



Tropidonotus piseator Mocqnard, Les Reptiles de rindo-Cliine, p. 47 

 (1907). Smitli, Journ. Nat. Hist. Soc. Siam, 1, p. 14, (1914). 

 Nairix piscator, Barbour, Memoirs M.C.Z., Nov. 1912, XLIV, No. 1 

 p. 109. 

 Two examples from Koh Chang ; common wherever it occurs. 



23. Tropidonotus chrysargus, Schleg. 



Fascic. Malay. Zool, 1, p. IGl (1903). 

 Four examples from Klong Menao : the longest, 72S mm in 

 length, appears to be greater than any yet recorded. 



24. Tropidonotus nigrocinctus, Blytli. 



Two examples from Klong Yai. The species has also lately 

 been obtained in Northern Siam, and at Hup Bon, E. of Sriracha. 



One of the two from Klong Yai was kept alive for some 

 months. It was an active, graceful snake, diurnal in its habits. It 

 fed greedily upon frogs and fish, picking the latter out of the water 

 and bolting them with great rapidity. 



Colour ( in life ). Above, olive-green anteriorly, olive-brown 

 posteriorly, with faint, narrow blackish cross-bars. Head copper 

 coloured, paling on the sides. An oblique black band below the eye, 

 another behind it and a third upon the neck. Belly white, beneath 



