46 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 40. 



The extreme depth known for the species is 1,095 fathoms, at which 

 depth it was originally dredged by the Porcupine. 



Family HYOCRINID^. 



Genus GEPHYROCRINUS Koehler and Bather. 



GEPHYROCRINUS GRIMALDII Koehler and Bather. 



Hyocrinus Albert, Prince de Monaco, Comptes rendus, vol. 134, 1902, p. 

 963. — Richard, Bull. soc. zool. France, vol. 27, p. 84. 



Gephyrocrinus grimaldii, Kcehler and Bather, Mem. soc. zool. France, vol. 15, 

 1902, p. 68. — Albert, Prince de Monaco, Comptes rendus, vol. 142, 1906, 

 p. 621. — Kcshler, Echinodermes provenant des campagnes du yacht 

 Princesse-Alice, 1909, p. 256, pi. 1, fig. 12; pi. 32, figs. 1-9. 



Localities.— East of Hierro, Canaries (lat. 27° 41' N.; long. 17° 53' 

 45" W.) ; south of Funchal, Madeira (lat. 32° 32' 30" N. ; long. 17° 02' 

 W.). 



Depth.— 1,786-1,968 meters. 



Family BOURGUETICRINID.E. 

 Genus BATHYCRINUS Wyville Thomson. 



BATHYCRINUS ALDRICHIANUS Wyville Thomson. 



Bathycrinus aldrichianus Wyville Thomson, The Atlantic, vol. 2, 1877, pp. 

 92-95 (86-87), fig. 23; Journ. Linn. Soc. (Zool.), vol. 13 (1876), 1878, pp. 

 47-51, fig. 1.— A. H. Clark, Proc. U. S. Nat. Mus., vol. 32, 1907, pp. 553, 554. 



Bathycrinus campbellianus P. H. Carpenter, Challenger Reports, vol. 11, Zool- 

 ogy, 1884, p. 238, pi. la, figs. 22, 23; pi. 8; fig. 15, p. 239. 



Locality.— L^t. 1° 47' N.; long. 24° 26' W. 

 Depth. — 1,850 fathoms. 



BATHYCRINUS GRACILIS Wyville Thomson. 



Bathycrinus gracilis Wyville Thomson, Proc. Roy. Soc. Edinburgh, vol. 7, 1872, 

 p. 772. — Koshler, Echinodermes provenent des campagnes du yacht 

 Princesse-Alice, 1909, p. 254. 



Locality. — Between the Azores and Gibraltar (lat. 38° 54' 55" N.; 

 long. 21° 06' 45"— 18' 45" W.). 



This species is otherwise only known from the Bay of Biscay. 



Depth. — 5,005 meters. 



The previous record of depth is 2,435 fathoms. 



BATHYCRINUS PERRIERI Koehler and Vaney. 



Bathycrinus perrieri Kcehler and Vaney, Bull, du mus. d'hist. nat., 1910, No. 1, 

 p. 26, figs. 1, 2, p. 27. 



Locality.— Off Cape Ghir, Morocco (lat. 30° 03' N.; long. 14° 02' E.). 

 Depth.— 2,212 meters. 



