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Asterope oculata G. S. Brady.
Asterope oculata (part.), G. S. BRABY, 1902 a, p. 179, pl. XXI, figs. 6—13.
Description: — Male: —
Shell: — Length, 1,35—1,38 mm.; length : height about 1.78:1. Seen from
the side (fig. 1) it is of about the same type as the shell of the male of A. Grimaldi, although,
as will be seen from the figures given above, it is not inconsiderably higher relatively. Seen
from b e 1 o w (fig. 2) it is also of about the same type as in the species mentioned. The wreath
of hair round the posterior part of the shell is rather dense. Seen from inside: Medial
bristles: There are a few bristles in the incisur, ail scattered. About parallel to and somewhat
inside the posterior margin of the shell tliere is a rather sparse but distinct row of stiff, moderately
long bristles; this row of bristles, which becomes more and more sparse dorsally, extends ail
along the spine-bearing list (fig. 3). This list is gently undulated and has about 25—28 hyaline
spines and numerous short bristles of somewhat d i fierent lengths, from 0 to about 7 bristles to each
hyaline spine, somewhat few’er ventrally than they are dorsally. No broad or fine pores could
be observed on the part between the spine-bearing list and the posterior margin of the shell.
First antenna: — This is very like this limb in A. Grimaldi. We must note:
The longer of the two posterior distal bristles on the fourth joint is about as long as or rather
slightly shorter than the total length of the three distal joints. The c- and f-bristles are subequal;
they measured about 2,2—2,3 mm. in length, i. e. the same relative length as in the species
mentioned above; the c-bristle has 25—26, the f-bristle 24 sensorial filaments.
Second antenna: — This is very like the corresponding limb in A. Grimaldi.
A short bristle is developed on the protopodite distally medially close to the exopodite.
Endopodite: The second joint has no verruciform swelling close to the three bristles. The
end joint is undulated on the outside (the ventral side) just distally of the proximal bristle in
about the same way as is shown in G. S. Brady’s drawing. Both the specimens investigated by me
had this undulation; G. S. BltADY in his original description, p. 180, states, however, that this
character is not constant. The proximal bristle on this joint is longer than is shown in G. S. BRADY’s
drawing; I was unable to decide how long, as it was broken in both the specimens investigated.
Mand i ble: — Protopodite: Coxale: The scythe-shaped process (fig. 4):
The part distally of the main spine grows evenly and rapidly narrower to a fine point; its ventral
edge is straight or slightly concave with a distinct corner near the main spine; this corner is
not always, however, so sharp as in the adjoining figure. The distance from the point of the process
to the main spine is very much less tlnin the distance from the latter to the proximal ventral
spine. The dorsal bristle is fixed somewhat nearer the main spine than the point of the process
or is about équidistant from both and is fixed slightly distally of the main spine. The dorsal
serrate teeth are rather weak. The main spine is also rather weak and has a weakly developed
ridge of hairs. There are four rather powerful ventral spines and in addition three or four
weaker ones, one between the third and fourth spines and three distally of the fourth. On
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