46 THREE CRUISES OF THE “BLAKE.” 
northern species of the genus. S. princeps reaches a length of 
five inches or more. 
Numerous new species of Pandalus, some of them very large 
and with greatly elongated legs, and of the allied genus Hetero- 
carpus (Fig. 244), in which the carapace is beautifully carinated, 
Fig. 244. — Heteroearpus carinatus. $. (S. I. Smith.) 
were taken in 200 to 1,000 fathoms ; they are apparently char- 
acteristic of the fauna at that depth in the West Indian region. 
The species of the new genus Stylodactylus, dredged from 400 
to 500 fathoms, probably represents a new family of Caridea. 
V 
Fig. 246, — Acanthephyra Agassizü. 4. (S. I. Smith.) 
The oral appendages and branchie belong to a peculiar type of 
structure, and the claws of the first and second pairs of legs are 
very long and slender, with slender multiarticulate and hairy 
digits. Nematocarcinus ensiferus (Fig. 245), of a bright rose- 
color, from 800 to 1,400 fathoms, and N. cursor, from 500 
