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Rod-shaped organ: — The shaft is about the same as in the male. The
capitulum is of about the same type as in C. elegans Ç; see the accompanying hg. 5; for this character
compare, however, G. W. MÜLLER as well.
Habitat: — Antarctic Ocean:
S. A. E., PI. station 64 b, lat. 48" 27’ S., long. 42" 36’ W. ; depth 2500—0 m. ; 23. VL
1902: 2 mature females; R. M. S. 325. S. A. E., PI. station 70 b, lat. 49" 56’ S., long.
49" 56’ W.; depth 2700—0 m.; 27. VI. 1902; temperature at 2700 m. and at the surface,
+ 1,67° C. and 3,4" C. resp.: 1 mature female; R. M. S. 326. S. A. E., PI. station 58 b,
lat. 53" 0’ B., long. 48" 27’ W.; depth 250—0 m.; 17. IV. 1902; temperature at 250 m. and
at the surface, + 1,30° C. and 3,40° G. resp. : 1 mature male and 4 mature females; R. M. B. 324.
B. A. E., PL station 312, lat. 53° 1’ S., long. 51" 53’ W.; depth 200—0 m.; 15. IV. 1902;
temperature at 200 m. and at the surface 3,50° C. and 5,48" C. resp. : 1 mature female;
R. M. S. 327.
Distribution: — South Atlantic Océan between lat. 26" S. and lat. 43° S. Indian Ocean
as far north as lat. 2° S.
All the hnds of the ,,A n t a r c t i c“ expedition were consequently made south of the
area of distribution stated by G. W. MÜLLER.
Obtusata group G. W. Müller.
G. W. MÜLLER puts only two species in this group, namely the species dealt with below,
after which the group was called, and C. parthenoda G. W. MÜLLER. The latter species, of which
only females are known, is included in this group only with the greatest hésitation. It is quite
impossible to decide whether these two species are connected on account of the incomplete
description of C. parthenoda.
Conchoecia obtusata G. 0. Sars.
Conchoecia obtusata, G. O. Bars, 1865, p. 118.
Halocypris ,, ,, „ ,, 1890, pp. 15, 53.
Conchoecia ,, G. B. BRADY and A. M. Normax, 1896, p. 693; pl. LXIII, figs. 1, 2.
„ „ E. VANHÖFFEN, 1897, p. 285.
,, ,, O. NORDGAARD, 1899, p. 26.
„ „ G. W. Müller, 1901, p. 5; hgs. 8—10.
P. T. Cleve, 1903, pp. 19, 24.
P. T. Cleve and O. Pettersson, 19o3, pp. 2, 7.
,, Tir. Scott, 1905, p. 228,
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