18 N. ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. VI. PROSOBRANCHIA. 2 SEMlPROBOSClDlPERA. 



('Vt 1861), 20 sps and shs, max. h. 27; ap. h. 20; br. 25; ap. br. 14.2; umb. 7.9; sut. 9.4; 

 wli. 6. — Brandywine Bay, 5 — 15 fms, stones (% 1868), 1 sp., li. 7. — N. E. of the Seven 

 Islands, 81° 14' N. 22° 50' E., 150 m, bottom temp. + 2°, grayish clay {''/, 1898), 

 11 sps, max. h. 13.?; ap. h. 9.7; br. 12; ap. br. 7; umb. 3.8; sut. 4.g; vvh. about 5. — King 

 Charles' Land, 78° 50' N. 27° 39' E., 20 m, bottom temp. + 0.2°, fine reddish yellow clay 

 CVs 1898), 4 sps, max. li. ll.s; an other sp., h. ll.i; ap. h. 8.3; br. 9.7; ap. br. 5.8; umb. 

 3.2; sut. 3.2; wh. 4 V, (radula Pl. 5, Fig. 13). — N. of Hope Island, 77° 25' N. 27° 30' E., 

 160 m, bottom temp. — 1.7i°, yellowish brown clay (-^e 1898), 4 sps, max. h. 8; ap. h. 

 6.1; br. 7.6; ap. br. 4.5; umb. 2; sut. 2.4; wh. 4 7,. — Stor Fiord, 4 — 10 fms, clay (^Vg 

 1864), many sps, max. h. 29; ap. h. 21.6; br. 26.3; ap. br. 15; umb. 8.4; sut. 9; wh. about 

 5; D:o, 20—40 fms, clay ('"/s 1864), many sps, max. h. 30..-.; ap. li. 23; br. 28.5; ap. br. 

 16. 5; umb. 9.5; sut. 9. 



Spitzbergen — Greenland: S. W. of the »Swedish Deep», 2750 m, bottom temp. 

 — 1.4°, Biloculina clay {-'■% 1898), 1 fragmentary sh. of about 22 mm height. 



East Greenland (Hägg 1905).' Maximal measurements (Mackenzie Bay, 12 — 18 

 m, 1 sp. ): h. 18; ap. h. 12.4; br. 15.8; ap. br. 9; umb. 5; sut. 6; wh. 5. 



Iceland (Odhner 1910). Measurements: Öfjord, 2 sps, max. h. 4. — Siglafjord, 

 5 sps, max. h. 4.5; ap. h. 3.7; br. 4.2; ap. br. 2.4; umb. 1.6; sut. I.2; wh. < 4. — Reykiavik, 

 10 sps, max. h. 12; ap. h. 9.8; br. 11; ap. br. 6.2; umb. 3.7; sut. 3.3; wh. 5. — Raufarhofn, 

 3 sps, max. h. 19; ap. h. 15.5; br. 17,5; ap. br. 9.9; umb. 6.3; sut. 6; wh. < 6 (Fig. 5). — 

 Hofsos, 9 shs, max. h. I6.2; ap. h. 12.7; br. 14. 1; ap. br. 8; umb. 5; sut. 4.6; wh. 5 (Fig. 6). 



— Bjarnanes, 1 sb., h. 10. — Berufjord, numerous sps, max. h. I6.5; ap. h. 12.5; br. 

 15.2; ap. br. 8; umb. 4.5; sut. 5.4; wh. about 5. — Arnanes (in fish stomachs), 3 sps, 

 max. h. 13.5. 



West Greenland (Posselt & Jensen 1899).^ Additions and measurements: God- 

 havn? (Torell), max. (1 sh.) h. 34; ap. h. 25; br. 32; ap. br. 18. 2; umb. 10; sut. 11. 4; 

 wh. about 6. — Godhavn (Amondsen July 1852), 50 — 90 fms, shells, sand, many shs 

 and sps, max. sh. h. 30, ap. h. 23.5; br. 29.4; ap. br. 17.2; umb. IO.2; sut. 9.4 (Fig. 1). 



— Umanak, 150 — 250 fms, stones, clay, many small sps, max. h. 6; ap. h. 5; br. 5.6; 

 ap. br. 3.2; umb. 2; sut. I.3; D:o, 12 fms, rocks (Torell) 3 sps, max. h. 9.5; ap. h. 7.9; 

 br. 8.6; ap. br. 5.2; umb. 3.i; sut. 2; wh. 4. — ■ Proven, 16 — 20 fms (Torell), 6 shs, 

 max. h. 29.5; ap. h. 21. .-i; br. 26.s; ap. br. 15.8; umb. 9; sut. 9.7 (Fig. 2). — Egedes- 

 minde, 30 fms (Torell), 1 sp., h. 12.2; ap. h. IO.4; br. 12; ap. br. 6.8; umb. 4; sut. 3; 

 wh. 4 + . — Sukkertoppen, 50 — 80 fms, clay (Amondsen 7? 1861), 1 sp., li. I2.2; ap. h. 

 9.G; br. 11; ap. br. 6; umb. 4; sut. 3.2; wh. 5. — Godthaab, 100 fms, shells (Amond- 

 sen ^7? 1861), 1 sp., h. 7.3; ap. h. 5.8; br. 7.3; ap. br. 4; umb. 2.3; sut. 3.2; wh. 4 + . — 

 Fiskernaes, 70 fms, shells (Amondsen, Sept. 1863), 3 sps, max. h. 11. 2; ap. h. 9.2; br. 

 10.2; ap. br. 6.2; umb. 3.2; sut. 3; wh. 4^4. — Arsukfjord (Amondsen 1865), 1 sp., h. 

 10; a]). 11. 8.4; br. 9.5; ap. br. 5.o; umb. 2.8; sut. 2.3; wh. 4. — Julianehaab, 25 fms, 



^ The specimens mentioned by Hägg from Pcndiilum Islands (No. 3j and tVoin (heenlaiid — Jan IMayen 

 (No. 8) are N. batliybii var. oblonga; the specinien from Franz-Joseph Fiord is Lunatia grocnlandica. 



^ The .specimens mentioned by PussEi/r et Jensen from Claushavn, Ritenbenk, Godhavn, Umanak, Keker- 

 tak and 68° 9' N., belonging to tlie museum at Stockliolm are Lunatia groenlandica, which eoufer. 



