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Endopodite: The first joint has three posterior hristles, all with short hairs. The lateral
one of these bristles is about as long as or somewhat longer or shorter than the two distal
endopodite joints, the two others are somewhat shorter.
Maxilla: — P r o t o p odite: The bristle on the basale is relativelv short, onlv
about half as long as the first endopodite joint; in exeeptional cases it lias at the middle a few
rather long secondary bristles. E n d o p o d i t e: A couple of the six bristles on the anterior
edge of the first joint are usually furnished with rather long, stiff secondary bristles at the middle.
On the posterior edge of this joint there are two or three bristles, in most cases three. The
ventral side. of the end joint is about as long as the breadth of the first endopodite joint distallv
(calculated from front to back); its dorsal side is about half as long.
F i f t h li m b: — Protopodite: The longer of the two tube-bristles on the second
endite is always furnished at the middle with rather long, stiff secondary bristles. Endopodite:
( )ne of the three ventero-anterior bristles is of about the same length and tvpe as the long bristles
on the endites of the protopodite, the two others are somewhat shorter and weaker (about the
same proportions as in my fig. 27 of C. symmetrica) and have short hairs. This brauch, has no
spine armature. Exopod i te: First joint: This has two medio-ventral bristles, often
sub-equal and about as long as the proximal height of this joint, and with short hairs. There are
three or four bristles in the proximo-ventral group; these are somewhat different in length,
the longest being in most cases about as long as or somewhat longer than the two medio-ventral
bristles, the shortest about half as long; the longest of these bristles has in most cases rather
long hairs at the middle, the others most frequently have short hairs. The
disto-ventral group of bristles consists of two or three short-haired bristles of somewhat different
lengths; their lengths vary in most cases within the same limits as in the case of the bristles
in the proximo-ventral group. The dorso-lateral bristle is furnished with long hairs.
Pilosity: The protopodite and the first exopod ite joint have sparse hairs medially, but apart
from these this li mb always seems to be bare.
S i X t h 1 i m b: — E x o p o d i t e: The ventral bristles on the first joint are perhaps
on the average somewhat shorter than in my fig. 29 of C. symmetrica-, they all have rather long
hairs at the middle as is the. case with the. dorso-lateral bristles on this joint. The ventral bristle
on the end joint has short hairs.
Penis: — This is comparati vely narrow and has about the same height throughout its
length; it is obliquely rounded off distally; cf. pi. IX, fig. 13.C. Cl-AUS, 1891 a. At about the middle
there is a series of about five or six oblique transverse muscles; there are no muscles distally of
these. It has a rather large, distally rounded, copulatory appendage; cf. the adjoining fig. 8.
Furca: — The fifth claw is unusually decidedly bent; see pi. IX, fig. 2, C. Claus,
1891 a and my fig. 9. There is no unpaired bristle behind the claws.
Rod-shaped organ: — The shaft reaches to about the proximal boundary
of the tliird joint of the first antenna or to the point of this limb. The capitulum is about as
long as the second joint of the first antenna; in the specimens investigated by me this part was
of about the type reproduced in the accompanving fig. 10, i. e. of about the saine type as was
fourni by C. CLAUS.
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