248 JOURNAL, NATURAL HIST. SOCIETY OF SIAM. Vol. I. 
34. ENHYDRIS HARDWICKII, Gray. 
Hanitsch, Rept. Raffles Mus, 1897, p. 10; Wall, Mem. Asiat. Soe. 
Bengal, Vol. II, No 8, p 247 (1909). Mocquard, Les Reptiles de 
’Indo-Chine, p.52 (1907) ; Smith, J. Bombay N. H. Soc, XXIII, 
p, 785 (1915). 
Four examples from Klong Yai, two adults and two young 
extracted from one of the former. Length ot the young, 255 mm. This 
species is very common towards the head of the Gulf, but these examples 
are of unusually dark colouration; in the young the dark ventral 
markings form a broad and continuous, though irregular, band. 
35. ENHYDRINA VALAKADIEN, Boie. 
Enhydrina velakadien, Mocquard, Les Reptiles de l’Indo-Chine, p. 52 
(1907). 
Enhydrina valukadyn, Wall, Mem. Asiat Soc, Bengal, Vol. IT, No. 8, 
p. 191, (1909). 
Two specimens from Klong Yai. 
36. JUACHESIS GRAMINEUS, Shaw. 
Trimeresurus gramineus, Mocquard, Les Reptiles de l’Indo-CCine, p. 
87 (1907) ; 
Lachesis gramineus, Smith, Jour. Nat Hist. Soc. Siam [., p 183 
(1915). 
One example from Koh Mehsi Yai. This snake is common in 
Bangkok, and in many other parts of Siam. 
BATRACHIANS. 
37. OXYGLOSSUS MARTENSII, Peters. 
Flower, P-ZS 1899, p 887. 
Four examples from Ok Yam, three from Klong Yai, one from 
Koh Kut. Two of the series have a light vertebral line. 
While we have placed these specimens under O. martensii, they 
are doubtfully distinct from O. laevis, Gunth., which is the older 
name. 
38. RANA LIMNOCHARIS, Boie. 
Boulenger, Fascic Malay. Zool., I, p. 184 (1903) ; Barbour, Memoirs 
M.C.Z., XLIV, No. 1, p. 64 (1912). 
A single example of this common frog from Ok Yam: snout to 
vent 35 mm. 
39. RaNA TIGRINA, Daud. 
Boulenger, Fascic. Malay. Zool, I, p. 184(1903); Laidlaw, P.Z.S., 
1900, p. 885; Barbour, Memoirs M.C.Z., XLIV, No. 1, p. 68 (1912); 
Robinson & Kloss, Journ. F,M,S. Mus., V. p. 155 (1915). 
