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statement: „The Otago gathering consisted almost entirely of males, the lesser swimming-power
of the females doubtless keeping most of them at or near the bottom1’. In his work of 1902 a
G. S. BRADY mentions (p. 180) that A. oculata was caught in plankton „plentifully“. „These
gathe-rings consisted, with one or two exceptions, entirely of males.“ Finally G. W. Müller, 1906 b, p. 36.
mentions that A. australis and inermis were caught plan ktoniea liv, in both cases only one male.
The assumption that the males die comparatively soon after copulation is supported
first by the faet that they are so seldom fourni benthoically, secondly by the faet that, owing to
the modification of the first antenna during the last larval moult, they are less fitted to return
to the burrowing life which they, like the females, led during their larval stages. It is to be
noted, however, that the parts of the mouth do not — as in Philomedes — undergo réduction
during the last larval moult; on the contrary, they are quite as well developed as those of the
mature female.
Genus Asterope A. Philippi.
Asterope, autorum; for instance A. PHILIPPI, 1840; G. O. Sars, 1865, 1869. 1870, 1872.
1886, 1887; G. S. Brady, 1871; C. CLAUS, 1876; G. W. Müller, 1890 (part.), 1912 (part.). (Non
Asterope, S. Fischer, 1855.) Cypridina (part.), autorum; for instance: \V. Baird, 1847, 1850 a
and b; J. D. DANA, 1852; E. GRUBE, 1859; A. M. NORMAN, 1861; F. MÜLLER, 1870. Cypris
(part.), Gay, 1849. Bradycinetus (part.), A. M. NORMAN, 1867. Cylindroleberis, autorum; for
instance: G. S. BRADY, 1868a and b; G. W. MULLER, 1893 (part.), 1894 (part.), 1906b (part.),
1908; J. A. CUSHMAN, 1906; Ch. JUDAY, 1907; R. \V. SharpE, 1909 (part.), Til. STEBBING, 1910.
Description: — Shell: —
Female: — Seen from the side it is of a somewhat varying type, sometimes more
or less elongated, elliptieal or cylindrical, with its greatest height at about the middle, sometimes
more or less short, egg- or pear-shaped, with its greatest height somewhat behind the middle
and the posterior jjart more or less strikingly larger than the anterior part. Rostrum: The
anterior margin does not project like a corner, but is broadly and uniformly rounded; its
ventral corner is almost rectangular and is only slightly rounded. The incisur points
obliquely upwards, is deep and rather narrow. Seen from beneath the shell is in most
cases narrow and egg-shaped with its posterior part somewhat larger than the anterior. It is
always a little higher than it is broad. The contours are well rounded and have no sharply
pro-jecting corners. The surface of the shell is smooth, without anv deeided sculpture; only
after very strong magnification can one notice — besides the pores — a dense and exceedingly
fine punetulation (very small foveolae?); it is practically quite without hairs and bristles.
The selvage* is very narrow, with a smooth margin except along the inner part of the
lower lip of the incisur and inside the part where the posterior margin of the shell passes
into the dorsal margin, where it is broken up into rather short and very fine hairs (cf. A. aberrata.
G. O. Sars states. 1887, p. 15, Ihat the selvage is quite absent in this genus.
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