KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 50. N:0 5. 75 



Bay, 44-^0 m, clay (^Vs 1908, St. 122), 1 sp., 1. an. 34; sh. 24 (Figs. 19, 25). — Smee- 

 renburg Bay, at low water (--/s 1868), 3 sps, max. 1. an. 15, sh. 12; D:o, 5 — 8 fms, algae 

 (1% 1872), 1 sp., 1. an. 40, sh. 32. — Danes Gat, 20 fms, rocks (^»A 1873), 1 sp., 1. an. 

 23, sh. 19. — 80° N. 14° E., in the stomach of Phoca barbata (1861), 3 shs, max. 1. 32. 

 — Off Treurenburg Bay, 30 fms, clay with stones (1861), 2 sps, max. 1. sh. 32. — Way- 

 gat Ib'lands, 60 fms, clay (Malmgren '-/s 1861), 1 sp., 1. an. 23. — King Charles Land, 

 Swedish Foreland, 10 — 16 m, fine blackish gray sand, stones, clay, algse (7^ 1898), 1 

 sp., 1. an. 15; D:o, 12 — 20 m, fine blackish gray clay (7^ 1898), 1 sp., 1. an. 33; sh. 

 about 30. 



Variation : 



The iipper or basal surface of the osphradium is in small specimens from Smeeren- 

 burg, at low water, of a brownish colour, lighter in the middle, blackish towards the 

 margins; the penis here, as in all small individuals, is very short and slightly curved. 



Foot and radula show no aberrations in any specimen among the above-treated 

 material. 



General Distribution: 



Spitzbergen, Norwegian Islands, in the stomachs of cod (Bergh 1887, Friele & Grieg 

 1901, as O. glacialis). — West Greenland and Grinnell Land, 13 — 135 fms (Bergh 1887; 

 Posselt & Jensen 1899). — Zeeland (IVIörch 1868 as O. Reinhardti; Bergh 1886). — Aleu- 

 tian Islands, Kyska Harbour, var. pacifica (Bergh 1887). 



Onchidiopsis latissima n. sp. 



Pl. 2, Figs. 20—22; PI. 5, Figs. 2, 4, 34. 

 Habitat;! 



Nova Zembla (Leche 1878 as O. groenlandica): Matotschkin Shar, Beluscha Bay, 

 10 — 15 fms, stones with clay (7» 1876), 1 sp., 1. an. 8, sh. 5. — Cape Grebeni, 8 — 10 fms, 

 clay (^^"^Vt 1875), 2 sps, max. 1. an. 9, sh. 5. 



Spitzbergen: Horn Sound (Loven), 1 sp., 1. an. 24, sh. 20. — Bel Sound, 40 fms 

 (Loven), 1 sp., 1. an. 27; sh. 15. — Ice Fiord (Loven 1837), 3 sps, max. 1. an. 13 (det. by 

 Loven as O. carnea). — Danes Gat, 7 — 10 fms, algae, stones ("Vs 1868), 1 sp., 1. an. 10, 

 sh. 6. — Mossel Bay, 2 fms, sand, algse (7. 1872), 1 sp., 1. an. about 35, sh. 26 (Pl. 1, 

 Figs. 20, 22; Pl. 5, Figs. 2, 4, 34). — Off Treurenburg Bay, 30 fms, clay with stones 

 (1861), max. 1. an. 30, sh. about 28 (det. by Loven as O. infläta n. sp.;Fig. 21). — Shoal 

 Point, 80° 8' N. 18° E., 25—30 fms, clay (Malmgren '% 1861), 1 sp., 1. an. 20, sh. 15. 



West Greenland: 72° 8' N. 74° 20' W., 30—80 m, härd mud (E. Nilson % 1894), 

 1 sp., max. 1. an. 12, sh. 7, together with O. glacialis. 



^ I have seen specimens of this species from Davis Strait 65" 22' N. 54° 2' W., Sukkertoppen, 75 fras, 

 and Bel Sound in the Museum at Copenliagen. 



i 



