358 Records of the Indian Museum. VoL. VIL; 
5. Eucalanus subcrassus, Giesbrecht. 
Occurrence :-Localities A, BC 2D Hh He ay Vie oN ee 
This species was one of the commonest ; it was widely distri- 
buted over the whole area of investigation and was usually present 
in large numbers; in one locality (Q) it formed very nearly half 
the total catch. 
6. Eucalanus subtenuis, Giesbrecht. 
Occurrence: Locality Q. 
The species was apparently absent over the whole of the 
Moscos Archipelago ; a few specimens were obtained further north 
in Hinzé Basin (locality Q). 
Genus Rhincalanus, Dana. 
1. Rhincalanus cornutus (Dana), 
This species appears to be extremely rare in this region, only 
two specimens were obtained from locality O and one from P. 
Genus Paracalanus, Boeck. 
1. Paracalanus aculeatus, Giesbrecht. 
Occurrence: Localities A, D, E,G,J,K,U,N, O. 
Although by no means common, this species of Pavacalanus 
was fairly widely distributed. 
2. Paracalanus aculeatus, Giesbrecht, var, plumulosus, 
Wolfenden. 
Two specimens were obtained showing the plumose arrange- 
ment of the furcal setae, one cach in localities G and P; in other 
respects they were identical with P. aculeatus. 
3. Paracalanus parvus (Claus). 
A few specimens were obtained in localities A, J and QO, but 
in all other localities this species appears to be absent. 
Genus Acrocalanus, Giesbrecht. 
1. Acrocalanus longicornis, Giesbrecht. 
Occurrence: localities; Ag ih, Gada MeN Ore es 
This species was fairly widely distributed and in certain 
regions (G, K, L. M) was exceedingly common. 
In one specimen an unusual condition was present ‘n the 4th 
right leg; the proximal ‘‘ aussenranddorne”’ was missing on the 
