70 Journal of the Asiatic Society of Bengal. [N.S., XVIII, 
condition, being too damaged to be figured or described. Thus 
in our fauna Bopyrids parasitic on Macrura are represented by 
thirteen genera (or fourteen if that parasitic on Lafreutes is to 
be considered new) and over thirty species. 
rgeia Dana, which was hitherto known froma single 
species occurring chiefly along the Pacific coast of N. America, 
is represented by another species collected at Port Blair, 
Andaman Islands. The genotype of Bonnier’s Bopyrella, with 
which genus | have also combined Hay’s Synsynella, occurs 
in the Andamans. and besides this the genus is represented by 
a subspecies of Hay’s B. deformans and another species which 
I have doubtfully referred te the genus. The genus Bopyrina 
Kossmann is already known from several species both from 
European and American waters. Five species have been met 
with in India, four of which are new. Four of these come 
from the Andamans, while the fifth is a coastal form found in 
backwaters at Cochin. Bopyroides Stimpson is so far known 
from a single valid species; to this genus [ have referred 
provisionally another form parasitic on an Alpheid collected 
amans. Of the forms so far described under the 
genus Bopyrus Latreille, I have definitely recognised only a 
single species—B. squillarum. The Indian members of this 
genus parasitic on the common prawn, Leander styliferus, have 
been described as a variety of B. squillarum. A new species 
of Nobili’s Epipenacon has been found parasitic on a common 
Bengal estuarine prawn, probably Penaeus semisulcatus. The 
genus Palaegyye was hitherto known from eight species from 
the fresh waters of the Malay Archipelago and another doubt- 
ful one from the Canal zone in Central America. Of the 
eight Malayan forms two have been met with in Jndia, one 
commonly in the Gangetic delta and the other in the deltaic 
waters of the Godaveri. Besides this, seven new species . 
ev 
has two species living in our waters ; of these one, collected 
a F 
rom two species, one found both in the European and 
American waters and the other exclusively along the Atlantic 
coast of N. America. Four new forms, all allied to the ex- 
around the Andamans. Diplophryxus Richardson also lives 
in Indian waters. Of my two new genera one characterized 

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