- Project Runeberg -  Zoologiska Bidrag från Uppsala / Suppl.-b. I. 1920. Studies on marine ostracods, p. I /
725

(1911-1967)
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M a n d i b 1 e (see the appended fig. 22): — Protopodite: Coxale (see the appended
fig. 15): The toothed edge of the pars incisiva has about ten teeth (see the appended fig. 16).
Distal tooth-list: This is of the same type as is described above for C. oblonga and has from
about twelve to sixteen teeth (see the appended fig. 17). Proximal tooth-list: This is rather
slight.ly narrower than
the distal one and varies
somewhat in type. It
consists of about 10 to
25 irregularly arranged
smooth conical teeth
which vary in size and
strength; some of the
posterior ones are
almost as large as the two
posterior ones on the
distal tooth list; see the
accompanying fig. 18.

On the inside this list
is furnished with fine,
short spines, situated
close together. The
masticatory pad is
rather narrow and high,
somewhat more thanhalf
the width of the
tooth-lists, and is divided
into four or five
transverse ridges ; it is armed
with short, fine papillae,
placed close together.

The part that is surrounded by the row of bristles and hairs is raised somewhat like a
pad and is also furnished with short, fine papillae, placed close together. Basale: The six
teeth on the distal edge of the endite are furnished with rather fine serrulation (seethe appended
figs. 19 and 20). The single tooth on the outside of this process is of about the type reproduced
in the figure just mentioned. The epipodial appendage consists of a moderately
large verruca with a moderately long bristle; see the appended fig. 21. E n d o p o d i t e: The
first joint has four bristles on the posterior side; one of these is situated somewhat laterally
and is about as long as this branch. The three others are situated more or less medialiv and are
about half the length of the former bristle or a little shorter or longer; one of these three bristles
usually has long hairs, the others have short hairs. PilOsity: The basale is furnished
medio-ventrally with moderately long and rather sparse hairs.

Fig. CXLII. — Conchoecia symmetrica G. W. Müller, çj. — 27. Left fifth limb soen
from outside; 114 X. 28. Distal part of the middle end claw of this limb; 988 x.
(From a specimen from station 64 b.)

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