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44
lier ethvert Spor af de tine Tænder i Inderkanten, som
lindes hos unge Individer af hin Art, og har Spidserne noget
stærkere indbøiede.
De falske Fødder er forholdsvis kjendelig længere end
hos foregaaende Art, hos Hunnen (se Fig. 4 a) omtrent af
Legemets Længde, hos Hannen (Fig. 4) betydelig længere
og som hos foregaaende Art forsynede med en konisk Flig
ved Enden af 5te Led. De 4 ydre Led er langs
Inderkanten bevæbnede med en regelmæssig Rad af saugtakkede
Torner (se Fig. 4 e). Endekloen er forholdsvis længere end
hos P. circularis og har flere Tænder i Inderkanten.
Gangfødderne (se Fig. 4) udmærker sig ved sin
betydelige Længde, der næsten er 4 Gange saa stor som
Legemets. De er overalt tæt besatte med pigformige,
børstebærende Fortsatser, der dog er betydelig mindre end hos
foregaaende Art og ganske glatte i Kanterne. Af
Hofteleddene er det 2det stærkt forlænget, betydelig længere end de
2 øvrige tilsammen. Laarleddet er hos Hunnen temmelig
stærkt opsvulmet paa Midten, hos Hannen (Fig. 4) betydelig
smalere og noget buet. 1ste Lægled er omtrent af
Laar-leddets Længde, medens 2det er kjendelig længere og meget
smalt. Tarsalleddet (se Fig. 4 f) er noget større end hos
foregaaende Art, skraat afskaaret i Enden og i Inderkanten
bevæbnet med flere, udad i Længde tiltagende Torner.
Fodleddet er næsten ret, forholdsvis smalere end hos P.
circularis og bevæbnet i Inderkanten med stærke Torner, hvoraf
navnlig de 4 eller 5 bagerste udmærker sig ved betydelig
Størrelse. Endekloen er kraftigt udviklet, lelormigt
krummet og noget kortere end Fodleddet. Af Bikløer er der,
ligesaalidt som hos foregaaende Art. det mindste Spor at
opdage.
De ydre Ægmasser (se Fig. 4) forholder sig som hos
foregaaende Art.
Dyrets Farve er mere eller mindre intens gul, gaaende
hos ældre Individer over til gulbrunt.
Forekomst. Denne Art synes ved vore Kyster at
være sjeldnere end foregaaende. Jeg har taget den paa et
Par Punkter ved vor Vestkyst, fremdeles ved Lofoten og
ved Finmarken lige til Vadsø. Den forekommer under
lignende Forhold som P. circularis og oftest sammen med
denne Art.
Udbredning. Som foregaaende Art er den en
udpræget nordlig Form og synes derfor ogsaa at naa sin
kraftigste Udvikling i de arktiske Have. Foruden ved Norge
er den noteret fra Grønland (Krøyer) og den murmanske
Kyst (Jarzynsky). Et enkelt Exemplar har jeg havt
Anledning til at undersøge fra det Kariske Hav, taget under
Nordenskjølds Expedition. Derimod er den hverken
observeret ved Danmark, de britiske Øer eller Østkysten af
Nordamerika.
to that of the preceding species. The fingers are, however,
without a trace of the fine teeth on the inner edge found
in young specimens of that species, and have the points a
little more incurvate.
The false legs are appreciably longer than in the
preceding species, those of the female (see fig. 4 a) attaining
about the length of the body, those af the male (fig. 4)
considerably exceeding it, and furnished, as in the preceding
species, with a conical lobe at the end of the 5th joint.
The 4 outer joints are armed along the inner edge with a
regular series of serrate spines (see fig. 4 e). The terminal
claw is relatively longer than in P. circularis, and has
several teeth on the inner edge.
The ambulatory legs (see fig. 4) are distinguished
by their great length, nearly 4 times as great as that
of the body. They are everywhere beset with spiniform
setous processes, a good deal smaller however than in the
preceding species, and quite smooth on the edges. Of
the coxal joints, the 2nd is much elongated, considerably
exceeding in length the 2 others taken together. The
femoral joint in the female is a good deal swollen in the
middle, in the male (fig. 4) much more slender and
somewhat arcuate. The 1st tibial joint is about the length of
the femoral joint, whereas the 2nd is appreciably longer
and very narrow. The tarsal joint* (see fig. 4 f) is somewhat
larger than in the preceding species, obliquely truncate at
the extremity, and armed on the inner edge with several
spines, increasing in length outwards. The propodal joint is
well-nigh straight, relatively narrower than in P. circularis, and
armed on the inner edge with strong spines, the 4 or 5
posterior of which are characterized by considerable size.
The terminal claw is powerfully developed, falciform curvate,
and somewhat shorter than the propodal joint. As in the
preceding species, no trace of auxiliary claws can be detected.
The outer egg-masses (see fig. 4) as in P. circularis.
The colour of the animal is a more or less vivid
yellow, in aged specimens changing into yellowish-broAvn.
Occurrence. On the coast of Norway this species
would seem to be rarer than the preceding one. I have
taken it in one or two localities on the West Coast, also at
Lofoten and on the jcoast of Finmark as far as Vadsø.
It is met with under the same conditions as P. circularis
and most frequently in company with that species.
Distribution. Like the preceding species, this is a
well-marked Northern form, and would also, therefore, appear
to attain its greatest development in the Arctic Seas.
Besides Norway, the animal has been recorded from Greenland
(Krøyer), and the Murman Coast (Jarzynsky), and 1 have
also had an opportunity of examining a single specimen
from the Kara Sea, taken on Nordenskjøld’s Expedition.
On the other hand it has not been observed either on the
coasts of Denmark or those of the British Islands; nor has
it been recorded from the eastern coast of North America.
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