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were, as will be seen below, 14 males and 29 females. In another sample 125 individuals were
investigated, of whicb 39 were males and 86 females. In sonie cases the proportion was one
to four or even one to five or males were quite absent. The females predominated in number
in the larvae as well.
Habitat: — Skager Rak and Cattegat:
North Koster; 2. IL: Depth, 0 m. : 1 mature male, 5 mature females and 1 juvenis; R. .M.
S. 345. Depth, 30 m. : 2 mature males and 6 mature females; R. .M. S. 346. Depth, 65 m. :
8 mature females and 1 juvenis; R. M. S. 347. South Koster; 1. II.: Depth, 0 m.: 2 mature
males and 2 mature females; R. M. S. 348. Depth, 30 m. : 14 mature males, 29 mature
females and 3 larvae; R. M. S. 349. Depth, 65 m. : 13 mature females and 2 juvenes; R. M. S.
350. Depth, 125 m. : 1 mature female; R. M. S. 351. Depth, 140 m. : 7 mature males, 6 mature
females and 4 juvenes; R. M. S. 352. Väderöarna (ofï Fjällbacka); 6. II.: depth, 65 m.:
1 mature male and 3 juvenes; R. M. S. 353 and 354. Hållö (N. of Lysekil); 7. IL: Depth, 30 m.:
1 mature male, 5 mature females and 3 juvenes; R. M. S. 355. Depth, 65 m.: 2 mature males;
R. M. S. 356. — AU these samples were taken by the Swedish Hydrographie al
Biological Commission during a cruise in 1911.
Lat. 58° N., long. 9° E. ( S. VIII.); 9. VIII. : Depth, 0 m. : 6 specimens; R. 31. S.
364. Depth, 20 m.: 8 specimens; R. 31. S. 365. Depth, 40 m.: 4 specimens; R. 31. S. 366.
Depth, 300—0 m. : 23 specimens; R. M. S. 367. Lat. 58° 12’ N., long. 10° 29’ N. ( S. III.);
depth, 200—0 m. ; 8. VIII.: 8 specimens; R. 31. S. 360. Lat. 58° 20’ N., long. 10° 5’ E. ( S. VII);
10. VIII.: Depth, 0 m. : 21 specimens; R. 31. S. 362. Depth, 150—0 m. : 362 specimens; R.
31. S. 361 and 363 (partly = the material of P. T. CLEVE, 1903).
Distribution: — The northern part of the Atlantic Ocean, chie fly north of lat. 60°, and
the Arctic Ocean.
The localities investigated by me were part of the previously knowu area of distribution.
Conchoecia obtusata G. 0. Sars var. antarctica G. W. Müller.
Conchoecia obtusata var. antarctica, G. \V. MULLER, 1906 a, p. 77; pl. XVI, figs. 10—23.
„ ’ „ „ „ „ „ » 1908, p. 69.
»? ?» î) jj >> 1912, p. /5.
Diagnosis: — See G. \V. MULLER, 1906 a, p. 77.
Remarks: — Of the specimens investigated by me the males ineasured 1.2—1.37 mm.,
the females 1,3—1,75 mm. Both among the males and the females there were partly specimens
whose shells agreed well in shape witli the type drawn by G. \1. 310LLER, 1906 a and partly
those that resembled more or less the types reproduced by me above for the Scandinavian form.
Shell.
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