6 PEOCEEDINGS OF THE NATIONAL MUSEUM vol.77 



ONISIMUS NORMANI (Schneider) 



1891 and 1895, Onisimus normam (Schneider in MS.) G. O. Saks, Crust. 

 Norway, vol. 1, p. 106, pi. 36, fig. 2 ; p. 686. 



Location 42-46 steamer Speedwell^ SE. 1/2 S. from Cape Sable 

 about 30 miles, August 21, 1877, 88 fathoms (in Urticina) ; 21 speci- 

 mens. 



ONISIMUS PLAUTUS (Kroyer) 



1845. Anonyx plautus Kroyek, Nalurh. Tidsskr., ser. 2, vol. 1, p. 629. 



Location 112-118 steamer Speedtvell, Chebucto Head Light, NW. 

 by W. about 8% miles, September 24, 1877, 52 fathoms, fine sand and 

 mud; 2 specimens. 



Station 2458 steamer Albatross, southeast of Newfoundland, 46° 

 48' 30" N., 52° 34' 00'' W., July 2, 1885, 89 fathoms, sand, green 

 mud; 4 specimens. 



Station 2461 steamer ^.Z^ai^ross, south of Newfoundland, 45° 47' 00" 

 N., 54° 13' 30" W., July 3, 1885, 59 fathoms, fine sand and black 

 specks; 6 specimens. 



Station 2491 steamer Albatross, east of Nova Scotia, 45° 24' 30" 

 N., 58° 35' 15" W., July 6, 1885, 59 fathoms, white sand ; 4 specimens. 



Station 2497 steamer Albatross, east of Nova Scotia, 45° 04' 00" N., 

 59° 36' 45" W., July 6, 1885, 57 fathoms, yellow sand, broken shells, 

 hard ; 75 specimens. 



Station 2499 steamer Albatross, east of Nova Scotia, 44° 46' 30" 

 N., 59° 55' 45" W., July 6, 1885, 130 fathoms, black mud; 1 speci- 

 men. 



OPISA ESCHRICHTII (Krijyei) 



1842. Opts eschrichtii (HolboU in MS.) Kboyeb, Naturli. Tidsskr., vol. 4. 

 p. 149. 



Station 2491 steamer Albatross, east of Nova Scotia, 45° 24' 30" 

 N., 58° 35' 15" W., July 6, 1885, 59 fathoms, white sand; 1 specimen. 



Station 2497 steamer Albatross, east of Nova Scotia, 45° 04' 00" 

 N., 59° 36' 45" W., July 6, 1885, 57 fathoms, yellow sand, broken 

 shells, hard; 2 specimens. 



ORCHOMENE DEPRESSA, new species 



Description. — Female. — Head, lateral angles rather broadly round- 

 ing, eyes oval, slightly narrower above, light yellowish-brown. 

 Antenna 1, flagellum with about seven joints, accessory flagellum 

 with three or four joints. Epistome very low, not projecting beyond 

 upper lip. Mandible, molar low but well developed, accessory proc- 

 ess not very prominent and not far in front of molar, palp set far 

 back of molar. Maxilla 1, inner plate with two setae, outer plate 



