No. 1623. NOMENCLATURE OF RECENT CRINOIDS—CLARK. 49% 
Antedon tenuis P. H. Carrenrsr, 1887. 
1887. P. H. Carpenter, Quart. Journ. Micros. Sci., X XVII, 
p- 386. 
A nomen nudum. 
tenwis=slender. 
Antedon tenuis A. H. Crarx, 1907 (not Antedon tenuis P. H. Car- 
PENTER, 1887). 
NOG Aly ele (Owes Jermes Wy toy Ichi MY Gna D.O.O.0 00 op ale 
detailed description, p. 80. 
Type-locality.—4A7(° 38’ 40’ north latitude, 141° 24’ 380’’ east 
longitude (Gulf of Tartary); 318 fathoms. U. S. S. Al- 
batross. 
tenuis=slender. U.S. National Museum. 
This species has been renamed Antedon stella. It must be 
known as Antedon tenuis, however, as Carpenter’s name, being a 
nomen nudum, has no effect on the validity of the specific name 
tenuis as applied to this species. 
+Antedon tessoni. 
Antedon thetis A. H. Crari, 1907. 
1907. Al H. CrarK, Proc. U.S. Nat. Mus, XX XIIL p. 128; 
detailed description, p. 151. 
Type-locality.—8.83 miles west of Suno Saki, Hondo, Japan; 
46 fathoms. U.S. 8. Albatross. 
Oétis=a sea nymph. U.S. National Museum. 
tAntedon thiollierei. 
Antedon tigrina A. H. Crark, 1907. 
ISO( oN. Jal, Cie, Jere, We Ss Nets WIS) OO.GU00G jos TeOs 
detailed description, p. 147. 
Type-locality.—Kagoshima Bay, Japan. U.S. Exploring Ex- 
pedition. | 
tigrina—=striped like a tiger. U.S. National Museum. 
tAntedon tourtie. 
Antedon triqueta von Grarr, 1884. (“ P. H. Carpenter MS.”) 
1884. von Grarr, Challenger Reports, X, Zoology, Pt. 27, pp. 
iG, 115), MG 
A nomen nudum. 
triqueta=three-cornered. 
tAntedon truncata. 
Antedon tuberculata P. H. Carpenter, 1888. 
1887. von Grarr, Challenger Reports, XX, Zoology, Pt. 61, p. 4. 
A nomen nudum. 
1888. P. H. Carpenrer, Challenger Reports, XX VI, Zoology, 
p. 225, pl. xiv, figs. 2, 3; detailed description, p. 232. 
