e 
NO. 1613. THE CRINOID GENUS EHUDIOCRINUS—CLARK. 207 
Genoty pe.—O phiocrinus indivisus Semper, 1868. 
Habitat.—Philippines; Macclesfield Bank; Japan; 30 to 60 fath- 
oms. ; 
The species included in the genus Hudiocrinus as 
here emended are: 
EFudiocrinus indivisus (Semper). 
ELudiocrinus granulatus Bell. 
Eudiocrinus variegatus, new species. 
Family PENTAMETROCRINID Ai. 
A family of Comatulida in which the radial faces 
are very high, entirely and rather widely separated, .. ere 
5 - O.-VORSAL 
the muscular fosse very large, rounded-triangular, view or rus 
separated interiorly by a strong median ridge; the ees aa 
5 . ; a £ NTS (COSTALS 
first brachials articulate directly with the radials, axp tower 
without the intervention of costals; orals absent; disk BRACHIArS) oF 
EUDIOCRINUS 
very large, black, extending far up on the arms, naked varreearvs, 
or more or less covered with small calcareous plates; N=W 8PEctzs. 
Gira Se : sate ¢ (THE RADIALS 
cirri with elongate subequal compressed joints; no  areconcmatep 
opposing spine; terminal claw long. BY WIENS CN 
0 : : : 6 TRO-DORSAL. ) 
Color grayish, tinged with purplish; disk black. 
Habitat.—Crozet Islands and seas south of Australia northward 
to the West Indies, Gulf of Gascony, Indian Ocean, Japan, and the 
Hawaiian Islands; 103 to 1,800 fathoms; mainly abyssal. 
Included genera.—Pentametrocrinus , Decametrocrinus. 
This is identical with the family for which I previously proposed 
the name Eudiocrinide, owing to a misconception of the genus Hudio- 
CrYinNUs. 
Genus PENTAMETROCRIN Us. 
A genus of Pentametrocrinide in which the arms are five in 
number. 
Genotype.—Eudiocrinus japonicus P. H. Carpenter, 1882. 
Tabitat—West Indies; coasts of southern Europe; east coast of 
Africa eastward to Australia, and northward to Japan; 103 to 1,050 
fathoms (mainly abyssal). 
The species included in the genus Pentametrocrinus are: 
Pentametrocrinus atlanticus (Perrier). 
Pentametrocrinus japonicus (P. H. Carpenter). 
Pentametrocrinus semperi (P. H. Carpenter). 
Pentametrocrinus tuberculatus (A. H. Clark). 
Pentametrocrinus varians (P. H. Carpenter). 
The new species of Hudiocrinus (emended) from Japan may be 
known as 
