24 



NILS GYLDENSTOLPE, THE SWEDISH ZOOLOGICAL EXPEDITIONS TO SIAM. 1. SNAKES. 



X:o 



Locality 



Total 

 lengtli 



Tail 



Prae- 



ocular 



Post- 

 ocular 



Loreal 



Scales 



ant. part post. part 



1 



Gulf of Siarn 



C40 



09 



1 



1 







28 28 



2 



Gulf of Siarn 



618 



60 



1 



1 



1 



32 37 



3 



Gulf of Siam 



355 



46 



1 



1 







26 29 



37. Enhydrina valakadien Boie. 



One specimen, Gulf of Siam, 1914 M. Smith coll.). 



This is without doubt the most common of all the different species of sea-snakes 

 met with in the Gulf of Siam. 



Total length of one specimen = 715 mm. 

 Length of tail = 84 mm. 



38. Bungarus fasciatus Schneid. 



One specimen, vicinity of Bangkok (V. Wirgeen coll). 

 One specimen, Chieng Hai, Upper Siam, August 1914. 

 One specimen (imm.), Bangkok 1914 (M. Smith coll.). 



Siamese name: ngu sam liem. 



Fairly common över the whole of Siam. 



The larg;est of the two specimens from the neighbourhood of Bangkok has 32 

 yellovv bands round the body, the other two have 25 each. 

 Total length: 1) 1353 mm. 2) 1143 mm. 8) 415 mm. 

 Length of tail: 1) 140 mm. 2) 115 min. 3) 40 mm. 

 Ventrals: 1) 225. 2) 213. 3) 216. 

 Sub-caudals: 1) 38. 2) 34. 3) 37. 



39. Naia naia Linn. 



Five specimens, neighbourhood of Bangkok (V. WlBOEEN coll.). 



One Bpecimen, Bangkok 1914 (M. Smith coll. i. 



One Bpecimen, Chieng Hai, Northern Siam. 



One specimen, Tha I.aw, Central Siam, April 1912. 



One Bpecimen, Bangkok, Dec. L911. 



One specimen, Bangkok 1911 (M. Smith coll.). 



Siamese name: ngu how. 



The Cobra is common över the whole of Siam thougli apparently more com- 

 mon in the northern and central parts than in the Siamese Malaya. During my stay 





