100 JOURNAL, NATURAL HIST. SOCIETY OF SIAM. Vol. I. 
21. Hypsirhina enhydris, 
A common snake in Bangkok, and with the exception of 
Homalopsis buccata, the most plentiful of the whole family found here. 
It may be met with in almost any of the water-ways which intersect 
the country, usually lying quietly among the weeds, with its snout 
projecting from the surface of the water. It is not strictly aquatic, 
and after stormy nights, in particular, may often be seen on land. It 
is never, however, found far from water. It is a very gentle snake, and 
I have never yet known one attempt to bite when handled. 
‘ It appears to subsist chiefly on fish, but Mr. Herbert informs 
me that he once caught one which disgorged a skink (Mabuia), a very 
unusual meal, I should think, for this snake. 
Length. 680 mm. 
Color (in life). Above, olive-brown, olive-grey or olive-green, 
with two or three more or less distinct light longitudinal bands. The 
last 3 rows of costal scales are alternately lemon-yellow, pale pinkish, 
and again yellow. Below, pale yellowish, with a black line along 
each side of the ventrals, and usually a thin median one, formed by a 
series of dots. The handsome coloring of the last 3 costal rows of 
scales is, I believe, peculiar to Siam, and, sometimes, Burma. 
Distribution. From India and 8. China to the Malay 
Archipelago. 
22. Hypsirhina bocourti. 
A rare snake in Bangkok, but more plentiful in the country 
districts round about. In the fields by Ayuthia and also at Ban Hua 
Takhé, it is not uncommon, and as the country and the canals dry up 
with the advance of the hot weather, and its piaces of habitat become 
limited, it can almost invariably be met with. 
Like H. enhydris it is not strictly aquatic in its habits. Its 
temper is uncertain, and it is not a snake to handle carelessly, although 
if lifted quietly it will usually make no attempt to bite. Those I have 
kept fed freely upon frogs. 
This snake, for its length, has great girth, particularly in adult 
life, while the sinister expression upon its face, together with the thick, 
bloated appearance of its body, combine to make it the most ungracetul 
and repulsive looking snake that I know of. 
