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C. symmetrica. E n d o p o d i t e: First joint: The processus mammillaris has no distal papilla.
The a- and b-bristles have short hairs or are almost bare. Second joint: The c- and d-bristles
are not inconsiderably shorter than this joint and are bare. The e-bristle is rather short. The
g-bristle is most frequently somewhat longer, the f-bristle somewhat shorter, than the
proto-podite; neither of them is sword-shaped distally and both have a few short hairs. Third
joint: The clasping organs are as described by G. \V. MULLER. The h-, i- and j-bristles
are subequal and about as long as or somewhat shorter than the first joint of the exopodite;
the h-bristle has, at least in some cases, signs of a shaft, the others have no distinct sliaft; they
are narrow, almost only half as wide as the proximal width of the g-bristle, and are bare.
Kig. CXLY. — Conchoecia Iteitacru (l. \Y. Muller. — 1. Shell seen from below, 40 x. 2. Shell seen from the side,
$: 42 X. 3. Shell seen from below, ?; 34 X. 4. Postero-dorsal part of the shell seen from inside, $; 400 x. 5. A
part of the selvage inside the posterior margin of the shell, $; 833 X. 6. A part of the e-bristle of the first antenna.
<J; 1200 X. 7. Distal part of the rod-shaped organ soen from below, <J; 187 X. (Krom specimcns from
station 58 b.)
M a n dib 1 e: — This limb agrees almost entirely with the same limb in C. symmetrica.
’Phe toothed edge on the pars incisiva has from about ten to thirteen teeth. In most cases all
the four bristles on the posterior side of the first endopodite joint have short hairs.
Maxilla: — The end joint is comparatively long, about the same type as in
C. borealis.
Fifth limb: — About the same as in C. symmetrica. Of the three antero-ventral
bristles on the endopodite both the two shorter ones usually have short hairs. The
endopodite has no spines. There are one or two ventero-medial bristles on the first e x
o-p o d i t e joint.
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