REPORT ON THE CRINOIDEA. 391 
only been found at thirty-four Stations. These have yielded thirteen species, representing 
five different genera, as shown in the following lists. 
Table showing the Number of Times that Stalked Crinoids have been Dredged 
in the Abyssal Zone. 
PRhizocrinus alone, . . ee ee 
Pentacrinus alone, 8 | 
Bathycrinus alone, 6 | 
Hyocrinus alone, : ery! 
Bathycrinus and Hyocrinus, 2 | 
Pentacrinus and Metacrinus, a | 
Rhizocrinus and Bathycrinus, 1 j 
N.B.—All the doubtful cases are included in this list. 
Table showing the Species of Stalked Crinoids which occur in the Abyssal Zone. 
. Continental Species Littoral Species 
G Species confined to the seas ier 
xenus. APcecal. Zone occurring in the occurring in the 
J : Abyssal Zone. Abyssal Zone. 
( aldrichianus. 
campbellianus. 
Bathyerinus, . 
carpentert. 
| gracilis. 
Hyocrinus, . : : bethellianus. 
f mollis. { alternicirrus. 
Pentacrinus, - 
{ wyville-thomsoni. { naresianus 
Metacrinus, . : : nodosus. woyvillii. 
( lofotensis. 
| Rhizocrinus, . : 
| rawsoni. 
8 3 2 
