vorN'S 1. 5.] Notes ou the Freshwater Vauna of India. 191 
x 
mately similar inter se. e head, which is small,is hard and 
of a brownish colour. ‘There are two eyes, the lower of which is 
double, on each side, «nd a short tentacle which is not 
ity of the body, and behind them, at the very tip of the abdo- 
men, is a pair of blunt, sack-like processes with a small bunch of 
hairs on a slight projection at their common base above. The 
last abdominal segment also bears on the dorsal surface (in some 
cases on a hump or prominence) a bunch of much thicker and 
longer bristles, which are connected with a special muscle. A few 
fine, scattered hairs occur on the sides of the body. ‘There are no 
haunting Chironomus larva differs from the one which feeds onHydra 
in at leastfour points: (1) in the extreme shortness of the anterior 
limbs ; (2) in the structure of the eyes, of which there ix a single 
ir in the former; (3) in 
ere 
in colour. 
that of the form at present under consideration is of a deep blood- 
hue. This colour. which is developed fully only in older in- 
n to 
nomics asa single form. In many cases it is evident that they and 
the Sponge grow up together, and large numbers of them may be 
of the common European Chironomus larve is made, to be given 
inan hous condition, and is probably moulded into shape by 
an 
Vv 
