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106
ydre Side ud i et stærkt tornformigt Fremspring; 2 andre
mindre Torner sees paa den ovre Flade. Det følgende
Led er ikke meget længere og gaar ligeledes ved Enden
paa den ydre Side ud i en stærk Torn. De 2 følgende
Led er tynde og forlængede, næsten af samme Længde
indbyrdes, og det første af dem har ligeledes Enden
uddraget i en spids Torn. Svøben (se Fig. 26) er ganske
kort, omtrent halvt saa lang som Skaftets sidste Led og
bestaar kun af 3 simpelt cylindriske Led, uden Torner og
kun forsynede med nogle korte Haar.
Munddelene viser ingen væsentlig Forskjel fra samme
hos den typiske Art.
De 4 første Fodpar er ligeledes idethele af samme
Udseende som hos hin Art, alene med den Forkjel, at der
t’ra Enden af Basalledet paa de 3 bagerste af disse Par
udgaar en skarp, bagudrettet Torn.
De 3 bagre Fodpar aftager stærkt i Længde bagtil
og er udmærket derved, at deres Basalled i Midten af den
bagre Kant har et stærkt tandformigt Fremspring.
Brystposen er som hos A. bafiini sammensat af 3
Par tydelige Plader.
Bagkroppens Lemmer viser ingen væsentlig Forskjel
fra samme hos A. baffini.
Farven var i levende Tilstand hvidagtig, med et svagt
grønligt Skjær, der vel for en Del skrev sig fra de i
Brystposen indsluttede Æg. De fleste af Exemplarerne
var imidlertid ved Optagelsen saa tæt besat med Smuds
og forskjellige fremmede Partikler, der havde fæstet sig
paa og mellem de talrige Pigge, at Legemets Fonn og
Farve kun vanskeligt kunde erkjendes.
Længden af de største Exemplarer overskred ikke 9’™.
Forekomst og Udbredning. 3 Exemplarer, alle
Hunner, af denne distincte Fonn toges under Expeditionens
lste Togt paa samme Sted (Ståt. 18), hvor foregaaende
Art erholdtes. Under 2det Togt fandtes enkelte
Exemplarer, ligeledes Hunner, af samme Art paa 2 andre
Lokaliteter i Havet udenfor Helgeland og Lofoten (Ståt. 124 og
164), Dybden fra 350 til 457 Favne. Samtlige Stationer
tilhorer den kolde Area.
Artens for Tiden bekjendte Udbredning er saaledes
Havet udenfor Norges ydre Havbanker fra den 63de til
den 69de Bredegrad. Samme Art er imidlertid, som jeg
har kunnet overbevise mig om ved et mig af Norman
velvilligt meddelt Individ, ogsaa taget under Valorous’
Expedition i de arktiske Farvande.
thick, and at the end juts forth on the outer side as a
strong spiniform projection; 2 other smaller spines are
seen on the upper surface. The succeeding joint is not
much longer, and also juts forth at the end from the outer
side as a strong spine. The 2 succeeding joints are slender
and elongate, almost uniform in length, and the first has
likewise the end produced as an acute spine. The
flagellum (see fig. 26) is quite short, about half as long as the
terminal joint of the peduncle, and consists of only 3
simple cylindric joints, without spines, and furnished with
merely a few short hairs.
The oral appendages exhibit no essential difference
from those in the typical species.
The 4 first pairs of legs have likewise, on the whole,
the same appearance as in that species, saving only that
a sharp, posteriorly directed spine proceeds from the end
of the basal joint on the 3 hindennost of those pairs.
The 3 posterior pairs of legs diminish very much in
length posteriorly, and are characterized by their basal
joint having in the middle of the posterior margin a strong
dentiform projection.
The marsupium is composed, as in A. baffini, of 3
pairs of distinctly developed plates.
The abdominal limbs exhibit no essential difference
from those in A. baffini.
The colour, in a living state, was whitish, with a
faint greenish tinge, in part no doubt arising from the
eggs in the marsupium. Most of the specimens, however,
were thickly incrusted with mud and other foreign
substances, adhering to and between the numerous spikes, thus
rendering the form and colour of the body extremely
difficult to determine.
The length of the largest examples did not reach
more than 9mm.
Occurence and Distribution. — Three specimens of
this distinct form, all of them females, were taken on the
first cruise of the Expedition, in the same locality (Ståt.
18) where the preceding species occurred. On the second
cruise, a few examples were obtained of the same species,
likewise females, in two other localities, viz. off Helgeland
and Lofoten (Stats. 124 and 164); depth ranging from 350
to 457 fathoms. The Stations lie all of them in the
cold area.
The distribution of the species, as at present known,
extends accordingly throughout the ocean tract lying off
the outer banks of the Norwegian coast, from the 63rd to
the 69th parallel of latitude. The same form was,
however, as I have found, from the examination of a specimen
kindly sent me by Mr. Norman, likewise taken in the
waters of the Polar Sea, on the British Expedition with
the "Valorous:"
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