No. 1623. NOMENCLATURE OF RECENT CRINOIDS—CLARK. 537 
Promachocrinus kerguellenensis Prrrinr, 1886. 
1886. Prrrizr, Nouvelles Archives.des Mus. d’Hist. Nat., 2d ser., 
TEX ps 1505 
Editorial or typographical error. 
Promachocrinus naresi P. H. Carprenrnr, 1884. 
1884. P. H. Carpenter, Challenger Reports, XI, Zoology, p. 378. 
Type-locality.—4° 33’ north latitude, 127° 06’ east longitude (off 
the Meangis fslands) ; 500 fathoms. H. M.S. Challenger. 
Admiral Sir George Nares, R. N. British Museum. 
Promachocrinus naresii P. H. Carpenter, 1879. 
1879. P. H. Carpenter, Proc. Roy. Soc., 1879, X XVIII, p. 385. 
A nomen nudum. ; | 
(See preceding; Doctor Carpenter in his later work emended 
all words ending in “7” to ‘*7.”) 
Promachocrinus vanhoffenianus Mincxerr, 1905. 
1905. Mrnexert, Zool. Anzeiger, XXVIII, p. 496. 
Ty pe-locality.—66° 02’ 09’’ south latitude, 89° 38’ 00’’ east 
longitude; 350-400 meters. German S. S. Gauss. 
Prof. E. Vanh6ffen. 
Psathyrometra A. H. Cuark, 1907. 
1907. A. H. Crarn, Smiths. Miscell. Coll. (Quarterly Issue), 
L, pp. 346, 353. 
Type.—Antedon fragilis A. H. Clark, 1907. 
padvupos=brittle+ metra. 
Psathyrometra borealis A. H. Cuarx, 1908. 
1908. A. H. Cuarx, Proc. U.S. Nat. Mus., XX XIV, p. 236. 
Ty pe-locality.—Kast of Agattu Island, Aleutians; 1,046 fathoms. 
U. S. 8S. Albatross. | 
borealis=northern. U.S. National Museum. 
_ Psathyrometra congesta A. H. Crarx, 1908. 
1908. A. H. Ciarx, Proc. U.S. Nat. Mus., XX XIV, p. 221. 
Ty pe-locality.Off Kauai, Hawaiian Islands; 400-500 fathoms: 
U.S. S. Albatross. 
- congesta=crowded. U.S. National Museum. 
Psathyrometra profundorum A. H. CuarK, 1908. 
1908. A. H. CuarK, Proc. U. S. Nat. Mus., XXXIV, p. 237. 
Ty pe-locality.—Oft Moresby Island, Queen Charlotte group; 
1,588 fathoms. U.S. S. Albatross. 
profundorum=of the depths. U.S. National Museum. 
+Pterocoma L. Acassiz, 1836. 
1836. L. Agassiz, Mém. de Soe. d. Sci. Nat. de Neuchatel, I, p. 193. 
Type.—t Comatula pinnata Goldfuss. 
atepov=a feather-+coma=hair. 
