86 THREE CRUISES OF THE “BLAKE.” 
Of the Elpidide proper, the family of the order first described 
by Théel, no representative was dredged by the “Blake”; but 
Fig. 341. — Trochostoma arcticum. 3. (Koren & Danielssen.) 
the Deimatide and Psychropotide (Fig. 342) are both in the 
“ Blake” collections. In the last-named family there extends 
Fig. 342. — Psychropotes longicauda 4. (Théel.) 
round the body a more or less distinct margin edged by numer- 
ous lateral pedicels of small size, while in the Deimatide (Fig. 
343) these are large and few in number. 
Fig. 343, — Deima Blakei. 2. (Théel) 
