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and concealed inside the frontal edge. Terminal joint of maxillipeds short, oval
or cordiform, setous only on the inner edge. 1st pair of incubatory plates with
the terminal lobe sharply defined and incurved ; the succeeding pairs large, over-
lapping each other in the middle. Legs very small, scarcely projecting
at all
laterally. Pleopoda with the lamellae rather large, lanceolate, and distinctly
tuberculate. Uropoda forming 2 smooth, juxtaposed lamellae considerably smaller
than those of the pleopoda. Male rather slender with the metasome gradually
tapering; last segment obscurely trilobate. Colour not yet stated. Length of
female reaching to 10 mm.;
that of male 2 mm.
Remarks. The female of this species is described and figured in the
History of Brit, sessile-eyed Crustacea as Phryxus Hijndmanni. There cannot,
however, be any doubt that it is a genuine Pxeutlioiu:, exhibiting, as it does, all
the chief characters of that genus; and it is also referred by M.M. Giard &
Bonnier to the 2nd section of their genus Paltryyyv, which answers to the above-
named genus. By a strange mistake,
the above authors have adduced to the
present species the Phryxus fusticaudatus of Sp. Bate & Westwood, indicating
it as the ,,phryxoid stage" of that species. This is most certainly wrong, and it
will be shown further on, that that form is in reality
the immature female of a
very different Bopyrid, viz., Athdtjcx payuri (Rathke). From the preceding spe-
cies the present one is easily distinguished both by the general form of the
body and by the structure of the several appendages.
Occurrence. A single specimen of this form was found by the present
author many years ago in the branchial cavity of a Eupagurus bernhardus taken
at Molde, west coast of Norway. Another specimen, exactly agreeing
former, is preserved in our Univ. Museum, having
species of Eupagurus, viz., E. pulescens (Kr0yer). I have,
with the
been found on a different
opportunity of examining numerous specimens of this form belonging
moreover, had an
to the Mu-
seum of Copenhagen, all of them infesting young specimens of Eupagurus
bernhardus.
Distribution. - - British Isles (Sp. Bate), Kattegat and Skagerak (Meinert).
3. Pseudione erenulata, G. 0. Sars, n. sp.
(PI. LXXXVI, fig. 1)
Specific Characters. Body of female oblong pyriform, rather asymme-
trical, one of the sides being almost straight, the other strongly
rur\rd. Ce-
phalon comparatively large, bordered anteriorly by a broad, evenly-arched Iron-