CHARACTERISTIC DEEP-SEA TYPES. 



CEPHALOPODS. 



61 



we may mention Benthoteuthis. (Fig. 279.) They are mainly 

 northern species, previously collected in shallower waters by 

 the United States Fish Commission. 



ijr. 270. Benthoteuthis. f. (Verrill.) 



But by far the most interesting of the cephalopods is a Spir- 

 ula (Fig. 280) in excellent condition, dredged oft' Grenada in the 



Fig-. 280. Spirilla. 



TT 



(Huxley.) 



Caribbean by the " Blake " from a depth of 950 fathoms. From 

 the condition of the chromatophores of the body, it evidently 

 lives with its posterior extremity buried to a certain extent in the 

 mud. The " Challenger " collected a specimen from 360 fath- 

 oms, off the Banda Islands. Cephalopods have been collected 



