no. 1623. NOMENCLATURE OF RECENT CRINOIDS—CLARK. 49] 
Antedon quinduplicava P. H. Carrenter, 1888. 
1888. P. H. Carpenter, Challenger Reports, X XVI, Zoology, 
p- 258, pl. tv, fig. 1 a-d; pl. xiv, figs. 4,5; detailed descrip- 
tion, p. 262; first mentioned, p. 9. 
Ly pe-locality.—6° 54’ north latitude, 122° 18” east longitude; 10 
fathoms. H. M. 8S. Challenger. 
guinduplicava=doubled five times. British Museum. 
Antedon quinquecostata P. H. Carpenter, 1888. 
1888. P. H. Carprnrer, Challenger Reports, X XVI, Zoology, 
pa Jil plein, fies 6 cd pla xxxvim, fies 153) detailed de- 
scription, p. 215; first mentioned, p. 8. 
Type-locality.—° 49’ 15’” south latitude, 132° 14’ 15”” east longi- 
tude (near the Ki Islands); 140 fathoms. H. M. 8. Chal- 
lenger. 
guinque=five-+costata=ribbed. British Museum. 
Antedon radiospina P. H. Carpenter, 1888. 
1883. von Grarr, Bull. Mus. Comp. Zool., XI, No. 7, p. 138. 
A nomen nudum. 
1888. P. H. Carrenter, Challenger Reports, X XVI, Zoology, pl. 
111, fig. 4 a-c (centrodorsal only). 3 
Ty pe-locality. —29° 45’ south latitude, 178° 11’ west longitude 
(near the Kermadec Islands) ; 630 fathoms. H. M.S. Chal- 
lenge”. 
radio=\ radiate+spina=a spine. British Museum. 
+ Antedon ransomei. | 
Antedon rara A. H. Crarn, 1907. | 
1907. A. Hi. CrarK, Proc. U. S. Nat. Mus., XX XIII, p. 70; de- 
tailed description, p. 72. 
Type-locality.—82° 27’ 30’ north latitude, 128° 33’ 00” east 
longitude (Eastern Sea); 181 fathoms. U.S. 8. Albatross. 
fone ea aor inncy. U.S. National Museum. 
Antedon rathbuni A. H. Cuarx, 1907. 
1907. A. Hl. Cuark, Proce. U. S. Nat. Mus., XX XIII, p. 70; de- 
tailed description, p. 76. 
Type-locality.44°. 04’ 20” north latitude, 145° 28’ 00’’ east 
longitude (Yezo Straits) ; 583 fathoms. U.S. 8. Albatross. 
Dr. Richard Rathbun. U. S. National Museum. 
Antedon regalis P. H. Carprnrer, 1888. 
1888. P. H. Carrrenrsr, Challenger Reports, X XVI, Zoology, 
p. 226, pl. xtvr; detailed description, p. 237; first mentioned, 
[Do Bil. 
Type-locality—Tongatabu Reefs. H. M. 8S. Challenger. 
regalis=regal. British Museum. 
