- Project Runeberg -  Den Norske Nordhavs-expedition 1876-1878 / The Norwegian North-Atlantic Expedition 1876-1878 / 6. Bind /
147

(1880-1901)
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147

Halevedhænget (ibid.) er ogsaa meget ligt. men har
Indsnittet ikke fuldt saa dybt, skjøndt betydeligt
overskridende Midten af Vedhængets Længde.

Farven var paa de friskt indfangede Exemplarer
hvidagtig med et svagt rodligt Skjær.

Længden gaar op til 15""".

Forekomst og Udbredning. Enkelte Exemplarer af
nærværende Art erholdtes paa 2 forskjellige Stationer (St.
183 og 213), begge beliggende i Havet omtrent midt
imellem Jan Maven og Finmarken. Dybden fra 1710 til 1760
Favne. Den synes saaledes at være en for den kolde Areas
større Dyb eiendommelig Form.

The telson (ibid.) is likewise very similar, but has
the incision not quite so deep, though considerably
exceeding half the length of the appendage.

Colour in the recently taken specimens whitish, with
a faint tinge of red.

Length reaching 15’""’.

Occurrence and Distribution. — A few examples of
the present species were obtained at 2 different Stations
(Stats. 183 and 213), both about midway in the tract of
ocean stretching between Jan Mayen and Finmarken; depth
from 1710 to 1760 fathoms. It would, therefore, appear to
be a form peculiar to the greater depths of the cold area.

Gen. 4. OnisimiTS, Boeck, 1870.

Crust, amphip. bor. & aret

35. Onisimiis turgidus, G. (J. Sars, n. sp.

(Pl. XII. Fig. r», r. a-i).

Anoiiyx iOnisimvs) ivriiitlus, (». o. Sars, Crust. & Pycnogonida nova

etc., No. i:i

Artscharacteristik. Legemet stærkt opsvulmet, med
Breden næsten ligesaa stor’ som Høiden. Hovedets
Side-hjorner tilspidsede. De 4 .forreste Par Epimerer temmelig
store; 5te omtrent af samme Hoide som Brede. 3die
Bag-kropssegments Sideplader bagtil udtrukne i en skarp, noget
opadkrummet Fortsats; 4de Segment i Midten noget
ind-trykt. Øinene tydelige, ovale, nedentil bredere, med rødt
Pigment. lste Par Følere med stærkt opsvulmet Skaft;
Svøben kort. med lste Led meget stort; Bisvøben temmelig
stærkt udviklet, 4-leddet. lste Fodpar undersætsigt,
tydeligt subcheliformt. med Haanden neppe længere end det
foregaaende Led. De 2 bagre Fodpar med stort
pladeformigt Hofteled af regelmæssig oval Form, Halefodderne
robuste, med lancetformige, nogne Grene. Halevedhænget
kort og bredt, i Enden afstumpet, med et lidet |og smalt
Indsnit, der ikke naar til Midten. Farven gulrod.
Længden 13"’"’.

Findested. Ståt. 323.

Bemærkninger. Af de bekjendte til denne Slægt
benborende Former slutter nærværende Art sig nærmçst
til O. Edwa/rdsii Krøyer, fra hvilken den dog strax kjendes
ved den usædvanlig plumpe og opblæste Kropsform, i hvilken
Henseende den mere ligner O. plautus Krøyer, der dog i
andre Punkter skiller sig meget bestemt.

Gen. 4. Onisimiis, Boeck. 1870.

Crust, amphip. bor. & aret.

35. Onisimiis turgidus. G. O. Sars, n. sp.

(Pl. XII. figs, r», fl a—i),

Anonyx (Oniainms hiryitht*), <i. O, Sars. Crust, it Pycnogonida nov«

etc., No. 13.

Specific Character. — Body exceedingly tumid, with
breadth almost equal to height. Lateral corners of head
pointed. The 4 anterior pairs of epimera rather large;
5th pair about equal in height and breadth. Lateral
plates of 3rd abdominal. segment drawn out posteriorly
as a sharp, somewhat upward-curving projection; 4th
segment slightly impressed in the middle. Eyes distinct, oval,
broader below, with a red-coloured pigment. First pair of
antennæ with peduncle greatly swollen; flagellum short,
with 1st articulation very large; secondary flagellum rather
well developed, four-jointed. First pair of legs thickset,
distinctly subcheliform, with the hand scarcely at all longer
than the preceding articulation. The 3 posterior pairs of
legs with basal joint large, lamelliform, and of a regular
oval shape. Caudal stylets robust, with naked, lanceolate
branches. Telson short and broad, obtuse at extremity,
with a short and narrow incision, that does not reach to the
middle. Colour yellowish-red. Length 13""".

Locality. — Ståt. 323.

Bemarks. — Of the known forms belonging to this
genus, the present species approximates closest O. Edwardsii
Krøyer, from which however it may at once be distinguished
by the remarkably clumsy and inflated form of body, a
character that gives the animal greater resemblance to O. plautus
Krøyer, which, in other respects, however, differs very
decidedly.

ill*

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