CHARACTERISTIC DEEP-SEA TYPES. CRINOIDS. 



121 



Challenger, the Blake, the Talisman, and by the U. S. Fish 

 Commission ; it has a very wide geographical distribution, hav- 



Fig. 411. Rhizocrinus lofo- 



Fig. 412. Rhizocrinus Rawsoni. J. (Carpenter.) 



ing been found as far north as the 

 Lofoten, and as far south as 35 south 

 latitude. It is very common in the 

 Gulf of Mexico, the Caribbean, and 

 along the east coast of the United 

 States. It is of a brownish-chestnut 

 color when alive, varying from that 

 to a dirty white. R. Rawsoni, a 

 second species (Fig. 412), was 'first 

 dredged by the " Porcupine " off Cape 

 Clear, but the specimens were con- 



tensis. I (Sars & Carpenter. ) sidered a variety of the other species, 



