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162
3die Bagkropssegments Sideplader or bagtil udtrukne
1 en usædvanlig stærkt udviklet, skarp, opadkrummet
liage-t’orniig Fortsats, ovenfor hvilken er tæstet en Rail af
Fjærborster (se Fig. 7 g). De bagre Segmenter er oventil jevnt
hvælvede uden nogen Kjol eller pukkelformige Fremspring.
Øine mangler ganske ligesom hos de foregaaende Arter.
Folerne i Fig. 7 a—b) er mindre robuste end hos de
2 foregaaende Arter, forøvrigt af den sædvanlige Bygning.
De 2 tørste Fodpar (Fig. 7 c) har Haanden af
regelmæssig oval Fonn, med Griberanden temmelig skraa og
bagtil begrændset af et tydeligt Fremspring, der omtrent
ligger lige langt fra Basis som fra Spidsen af Haanden, og
er bevæbnet med den sædvanlige Torn.
6te Fodpar (se Fig. 7) er forholdsvis noget mindre
forlænget og svagere bygget end hos de 2 foregaaende Arter
og har sidste Led neppe længere end det foregaaende.
Sidste Fodpar (Fig. 7 il) udmærker sig i hoi Grad
ved Hofteleddets eiendommelige Form. Dette er forholdsvis
betydelig mindre end bos de øvrige Arter og har det nedre
bagre Hjorne udtrukket i en skarp dolkformig Fortsats, der
er rettet lige bagud og oventil ved et lidet Indsnit er skarpt
begrændset fra den kun svagt buede bagre Band: nedentil
viser denne Fortsats 2 korte Saugtakker.
Bagkroppens Vedhæng ligner meget samme hos H.
abyssi, dog med den Forskjel, at Halevedhænget (Fig. 7
er dybere kløftet.
Farven er den sædvanlige ensformig graahvide, her
imidlertid noget mere gjennemsigtige
Længden synes ikke at overskride 5""".
Forekomst og Udbredning. Nogle faa Exemplarer
af denne distincte Art er under Expeditionen indsamlede
paa 2 forskjellige Stationer, den elie (St. 200) beliggende
i Havet NV af Finmarken. Dybden 620 Favne, den 2den
(St. 262) lige Øst af Vardø, Dybden 148 Favne. Da
ialfald den ene af disse Stationer tilhorer den kolde Area og
den anden tilhører det i sin Fauna idethele arktiske Østhav,
maa Arten vistnok ansees for at være af hoinordisk
Oprindelse.
The lateral plates of the 3rd abdominal segment are
drawn out posteriorly to a remarkably strong-developed,
sharp, upward-curving, hook-shaped projection, above which
extend a series of plumous bristles (see tig. 7 g). The
posterior segments are uniformly arched above, without
any keel or hunched projection.
No trace of eyes, as in the preceding species.
The antennæ (figs. 7 a—b) are less robust than in
the 2 preceding species, but, for the rest, of the usual
structure.
The 2 anterior pairs of legs (fig. 7 c) have the hand
of a regular oval form, with the palmar margin rather
oblique and defined posteriorly by a distinct projection,
placed about as far from the base as from the point of
the hand, and bearing the usual spine.
The 6th pair of legs (see fig. 7) occur relatively
somewhat less produced and more feeble in structure than are
those of the 2 foregoing species, having also the terminal
articulation scarcely at all longer than the preceding.
The last pair of legs (fig. 7 il) are highly
characterized by the peculiar form of the basal joint, which is
relatively much smaller than in the other species, and has
tile lower posterior corner jutting out as a sharp,
dagger-shaped projection, directed straight backwards, and sharply
defined above, by a small incision, from the faintly arcuate
posterior margin; below, this projection exhibits 2 short
teeth.
The abdominal appendage presents very considerable
resemblance to that in H. abyssi, saving however that the
telson (fig. 7 J) is more deeply cleft.
Colour, as usual, a uniform greyish-white — in this
animal, however, somewhat more translucent.
Length apparently not exceeding 5""".
Occurrence and Distribution. — A few examples of
this distinct species were collected on the Expedition, at
2 different Stations, one iStat. 200) in the sea north-west
of Finmark, depth 620 fathoms, the other (Ståt. 262) due
east of Vardø, depth 148 fathoms. One, at least, of these
Stations having been in the cold area, and the other in the
Barents’ Sea, a tract of ocean oil the whole essentially
polar as regards its Fauna, the present form is
unquestionably of Arctic origin.
43. Harpinia serrata G. O. Sars, n. sp.
I Pl. XIII, Fig. 8, 8 a—d).
Harpinia serrata. ’ i. O. Sars, Crust. & Pyenog. nova etc., No. ’21.
Artscharacteristik. Legemet kort og tykt, med
temmelig store Epimerer. Hovedet oventil stærkt hvælvet, med
Pandepladen noget nedadkrummet. De 3 forreste Bagkrops-
43. Harpinia serrata. G. O. Sars. n. sp.
I PI. XIII. figs, 8, 8 a—d).
Harpinia sirrata, G. O. Sars, Crust. & Pycnog. nova etc., No. -’l.
Specific Character. — Body short and thick, with
rather large epimera. Head strongly arched above, with
frontal plate curving slightly downward. The 3 anterior
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