bi we oe 5.) Notes on the Freshwater Fauna of India. 197 
26. Notes on the Freshwater Fuuna of India. Nv. VI,—The ie 
Bite sey of an Aquatic Weevil—By N. ANNanDaLe and C. A 
So far as we are aware, no member of the family Curculi- 
onide has been recorded as an aquatic Insect. In the autumn of 
1905, however, one of Ries a few specimens of a small Weevil 
among water-weeds in the Museum “ tank” in Caleutta. At the 
beginning of March, oe pita _considerably smaller oper 
was noted under similar conditions in Chota agpur; but u 
tunately all the specimens obtain ia were accidentl 
In the same month, especially towards the latter — the Calcutta 
species was abundant, and we are now able to give a general ac- 
count of its life io which is surprisingly eimilat to that of 
many terrestrial form 
Although we do not propose to attempt a generic identifica- 
tion of this eee it will be well to commence with a description 
of the spec 
aii oF aN Aquatic WEEVIL. 
The antenne are elbowed and the basal joint fits into a groove 
the surface of the rostrum They are inserted at a point a 
little distal of the middle of the rostrum, than which they sre 
longer. ‘The first joint is equal in length the sum of the 
prono e eyes are small and rounded, and are situated o: 
the nies ‘of the head, at the base of the rostram. The pro Rieeate- sag 
has the lateral margins rounded. ‘The elytra are truncate proxim 
ally, pointed apically, with two blunt titaroles on each, one near 
the base and one a little distance from the apex ; they cover the 
abdomen entirely and are very convex outwards. The cox are 
2 
Total length eats 4 mm. 5 mm. 
Breadth of thorax... se 1 
Length of rostrum ... 1 m 15 ,, 
Colour.-Silvery grey ; eyes black, rostrum piceous ; antenne, 
tarsi, tibiae and base of femora ferruginous, the antenne rather 
darker than any part of the limbs. 
