52 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. V. PROSOBRANCHIA. 1 DIOTOCARDIA, 



{^"j-o 1861) 10 sps, max. h. 6.8; d. 9. — Smeerenburg Bay, low water, algse, stones, 

 sand ("A 1868) 13 sps, max. h. 7; d. 9.3; wh. 4 \/2 (with Bryozoa); D:o, 20 fms, 

 sand, stones, clay (Vo 1861) 9 sps, max. h. 7.G; d. 9.3; wh. 5 74 (with Bryozoa); D:o, 

 85 fms, clay (1861) 1 sh., d. 4. — Foul Bay, 15 fms, sand (^% 1872) 7 sps, max. d. 

 9. — Fair Haven, 10 fms, clay, close by the glacier (^^s 1872) 1 sh., d. 6.5; D:o, 

 2—22 fms, algse, sand, clay (-% 1872), many sps, max. d. 10. — Cloven Cliff, 20 

 fms (Torell 1858), many sps, max. d. 10 (with Bryozoa); D:o 4 fms, sand, 2 sps, 

 d. 9 (with Bryozoa); D:o, 12—20 fms, stones with algae, many sps, max. d. 8.2. — 

 Norwegian Island, 7—20 fms, stones, sand, clay (-Va 1872) numerous sps, max. d. 

 9.3 (with Bryozoa). — Liefde Bay, 20—30 fms, clay mixed with stones (% 1868) 1 

 sp., d. 3.8; D:o, 15—30 fms, algie, clay, stones (^s 1868) 5 sps, max. d. 6.8. — Off 

 Mossel Bay, 12 fms, sand (^^i 1873) many sps, max. d. 7.5; Mossel Bay, 1—15 fms, 

 algse, Lithothamnion (1872 — ^73) numerous sps, max. h. 7.4; ap. 4.8; d. 9.3; wh. 5; 

 D:o, 5—7 fms, algse (""'/n 1872) 15 sps, max. d. 8.2 (with Bryozoa); D:o, 9 fms 

 (1872) 10 sps, max. d. 8; D:o, 11 fms, sand, algse (Vio 1872), 1 sp., d. 6. — Vertegen 

 Hook, 40—50 fms, stones {^ji 1861), 4 sps, max. h. 4.5; ap. 2.5; d. 5.i. — Hekla 

 Cove, 6 fms, Laminarise (1861) 10 sps, max. d. 8.5. — Treurenburg Bay, 6 fms, 

 sand, clay mixed with stones (^Ve 1861) 2 sps, max. d. 7.5: D:o, 5—20 fms, stones, 

 clay, many sps, max. d. 9.6; D:o 14 — 21 fms, clay, 2 sps, d. 4.3 and 2; D:o, 20 — 30 

 fms, clay with stones, 1 sp., d. 7; D:o, 25 fms, clay (1861) 1 sh., d. 8.3 (with Bryo- 

 zoa). — Lomme Bay, 5 — 15 fms, clay, stones, algse (^^'o 1868) many sps, max. h. 7; 

 d. 9.5. — Hinlopen Strait, 10—25 fms, clay (1861) 6 sps, max. d. 7.5 (with Bryozoa). 



— Shoal Point, 20 — 30 fms, clay (^^/v 1861) 15 sps, max. d. 8.3, (with Bryozoa). — 

 Brandy wine Bay, 5 — 15 fms, stones (^9 1868) many sps, max. d. 10 (with Bryozoa). 



— Castren's Islands, 3 — 10 fms, algse, stones C/g 1868) numerous sps, max. d. 10. 



— Parry Island, 30 — 40 fms, stones, gravel (^/9 1868) 5 sps, max. d. 6.9 (with 

 Bryozoa). 



Spitzbergen, East coast: Walter Thymen Strait, the outlet in Stor Fiord, 30— 

 40 fms (1864) 1 sp., h. 8.r,; d. 11.7; wh. 5 V^- — Stor Fiord, 5—10 fms, clay ('Vs 

 1864) 1 sp., h. 7.5; d. 9.ß; D:o, 4 — 7 fms, fine clay ('% 1864) 7 sps, max. h. 6; d. 

 8.6; D:o, without definite depth, many sps, max. h. 9.i; ap. 6.2; d. 11.5; wh. 5 V2. 



— Whaler's Pynt, Stor Fiord, 20—40 fms, clay ('% 1864) 1 sp., d. 4.i. 



Beeren Island: 74° 21' N., 19° 15' E., 20 m, bottom temp + 1.5°, stones, Laminarise 

 and red algse ('% 1898) many sps, max. d. 5. — D:o, 1 — 2 fms, rocks and gravel 

 ('^7 1868) 7 sps, max. h. 4; d. 5.3; wh. 4 7*. 



Iceland (Odhner 1910). Maximal dimensions: Beruf jord, h. 4.6; ap. 3 2; d. 

 5.8; wh. 4V2, Fig. 31. — Raufarhofn, h. 4.5; ap. 2.8; d. 5. 



East Greenland (Hägg 1905) 12—35 m, max. d. 8.5 (Mus. U.). 



West Greenland (Posselt & Jensen 1899). Dimensions: Egedesminde h. 6; 

 ap. 4; d. 7.7; wh. 5, Fig. 29. — Norsouak, h. 6.5; ap. 4.3; d. 7.9; wh. 5. — Further: - 

 Cape Dudley Digges, 76°21'N., 68°28'W., 30-40 m, mud (E. Nilson 1894) 3 sps, 

 max. d. 4.6. - Duck Island, 73° 55' N., 57° 28' W., 3—27 m, rocks, stones (E. Nilson 

 1894), many sps, max. h. 7; ap. 4.2; d. 7.6; wh. 5. — Kingitok, 73° 17' N., 56° 10' 



