No. 1623. NOMENCLATURE OF RECENT CRINOIDS—CLARK. ddl 
Metacrinus wyvillii P. H. Carpenter, 1884. 
TCE Je Lal. ee Challenger Reports, XI, Zoology, p. 344, 
pl. xuvit, figs. 1-5; pl. xiviir; detailed dexetiption, p- 3585 
first mentioned, p. 129. 
Type-locality._A° 337 north latitude, 127° 06’ east longitude (off 
the Meangis Islands); 500 fathoms. H. M. S. Challenger. 
Sir C. We ville Thomson. British Museum. 
Nanometra A. H. Crarx, 1907. 
1907. A. H. Crarx, Smiths. Miscell. Coll. Gtartonlie4 Ine) : 
pp. 345, 348. 
T ppl don minor A. H. Clark, 1907. 
vavos=dwarf+metra. 
Nanometra minckerti A. H. Ciarx, 1907. 
1907. A. H. Crarx, Smiths. Miscell. Coll. (Quarterly Issue), L 
p. 349. | 
Proposed as a new name for Antedon minor A. H. Clark, 1907, 
preoccupied. 
Mr. Wilhelm Minckert. 
Neocrinus Wyvitite THomson, 1864. 
1864. Wyvitte THomson, The Intellectual Observer, August, 
1864, p. 7. 
T ype. Panini decorus Wyville Thomson (n. sp.). 
véov=recent+ kpivoyv=lily. 
Oligometra A. H. Crarx, 1908. 
1908. A. H. Crarx, Proc. Biol. Soc. Washington, X XI, p. 126. 
Type.—Antedon serripinna P. H. Carpenter, 1881. 
ohiyos=small+ metra. 
Oligometra caribbea A. H. Cuarx, 1908. 
1908. A. H. Cuarxk, Proc. Biol. Soc. Washington, XXI, p. 126. 
A nomen nudum. 
1908.. A. H. Cuarx, Proc. U. S. Nat. Mus., XXXIV, p. 238. 
Lype-locality—Off Colon, Canal Zone; 34 fathoms. U.S. S. 
Aes 
cartbbea= Caribbean. U.S. National Museum. 
p) 
Ophiocrinus S—mMprrR, 1868 (not Ophiocrinus Salter, 1856). 
1868. SEMPER, Wiegmann’ s Archiv fiir Naturgesch., 1868, I, 
p. 68. 
Ly pe. —Ophiocrinus indivisus Semper (n. sp.). 
ofis=a snake+«pivor = lily. 
This genus has been renamed Hudiocrinus. 
_ Norse.—Ophiura was used by Oken in 1815 for the Asterias 
multiradiata of Linneus (!), and at the same time he referred 
Asterias pectinata to Huryale (!!). As these two generic names 
