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- 
? o o 2 
Fig. 411. — Rhizoerinus lofo- 
tensis. 2. (Sars & Carpenter.) 
1 
Fig. 412, — Rhizocrinus Rawsoni. 1. (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. A. Rawsoni, a 
second species (Fig. 412), was first 
dredged by the “Porcupine ” off Cape 
Clear, but the specimens were con- 
sidered a variety of the other species, 
