DECArODS 27 



Family OPLOPHORID^. 

 Genus Acanthephyra A. Milne Edwards. 



ACANTHEPHYRA CURTIROSTRIS Wood-Mason. 



Acatithcphyra curtirostris Wood-Mason, Ann. Mag. Nat. Hist. (6), vil, 195, 

 1891; IX, 364, fig. 5, 1892. 111. Zool. Investigator, Crustacea, pi. 111, 

 fig. 4, 1892. — Faxon, Mem. Mus. Comp. Zool., xviii, 164, pi. XLiii, 

 figs. 2-5, 1895.— Alcock, Desc. Cat. Indian Deep-Sea Crust., 81, 1901. 



Distribution. — Arabian Sea, 937-1043 fathoms; Bay of Bengal, 364- 

 913 fathoms ; Andaman Sea, 922 fathoms (Alcock). From off San Diego, 

 California, to off Gulf of Panama, 458-2232 fathoms. Off San Diego, 

 623 fathoms, one male of the typical form {Albatross station 2929); 

 Gulf of California, 857 and 1005 fathoms (Albatross stations 3009 

 and 3010) ; see also Faxon, loc. cit. 



Genus Hymenodora Sars. 



KEY TO THE SPECIES OF HYMENODORA. 



A. Rostrum very short, not reaching beyond the first 



antennular segment glacialis. 



A'. Rostrum reaching end of antennular peduncle . . . frontalis. 



HYMENODORA GLACIALIS (Buchholz). 



Pasiphae glacialis Buchholz, Zweite Deutsche Nordpolarfahrt, il, 279, pi. i, 

 fig. 2, 1874. 



Hymenodora glacialis G. O. Sars, Arch, for Math, og Naturvid., II, 241, 

 1877; Norske-Nordhavs-Exped., Crustacea, I, 37, 275, pi. iv, 1885. — 

 Smith, Proc. U. S. Nat. Mus., vii, 501, 1885 (part); Kept. U. S. Fish 

 Commr. for 1885, 678, pi. xv, figs. 3, 10, pi. xvi, fig. 5, 1886. 



Distribiitio7i. — Between Norway and Greenland, lat. 63O to 80° N., 

 452 to 1862 fathoms (Norwegian North Atlantic E.xpedition) ; Faroe 

 Channel [Knight Errant). East coast of North America (U. S. Fish 

 Commission) : Lat. 42° 48' 00" N., long. 50O 55' 30" W., 826 fathoms (sta- 

 tion 2428) ; lat. 40° 03' 30" N.jlong. 67° 27' 15" W., 1149 fathoms (station 

 2535) ; lat. 380 19' 26" N., long. 68"^ 20' 20" W., 2369 fathoms (Smith) ; 

 lat. 37° 12' 20" N.,long. 69O 36' 00" W., 2949 fathoms (Smith). Bering 

 Sea, south of Pribilof Islands, 1401 fathoms (station 3604), i ? . East of 

 Prince of Wales Island, Alaska, 1 569 fathoms (station 2859), 2 5 . Gulf of 

 California, 857 fathoms (station 3009); 905 and 1218 fathoms (Faxon). 

 Gulf of Panama, 1832 fathoms (Faxon). Off Ecuador, 1740 fathoms 

 (Faxon). 



