370 Journal of the Asiatic Society of Bengai. [Aug.-Sept., 1913. 
e would Se sgt and as has been found to 
their magi ge = December, at least one month after the 
crab zoeae, and are to be found for some considerable period 
of time after the 2 zoeae have disappeared, and the same is the 
case with the Balanus nauplii and cyprides. 
comparison of the above table with that of the occur- 
rence of similar organisms in the Plankton of the North 
Atlantic (Johnstone, 1908, p. 96, fig 23) shows that for the 
most part they occur in Indian waters at a somewhat later 
period, and there would appear to be a general tendency for 
marine organisms to have their ivareas season during the 
west monsoon and the consequent disturbance of the waters 
in “ Dons on. 
animals "belonging to the groups in which era are interested, 
and to Capt. T. L. Bomford, I.M.S., who has kindly permitted 
me to include in the above report, his notes on the hauls made 
at stations 461—467, inclusive. 
