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1861. Solaster endeca, M. Sars. Oversigt af Norges Echi-
nodermer.
1862. Solaster endeca, Dujardin & Hupé. Hist. Nat.
Zooph. Echinodermes, pag. 354.
1866. Solaster endeca, Verrill. Proceed. Boston Soc. Nat.
Hist. Vol. X, p. p. 345, 356.
1871. Solaster endeca, Hodge. Nat. Hist. Trans. North-
umb. & Durham, Vol. IV, pag. 135.
1875. Solaster endeca, Ed. Perrier. Stellerides du
Museum, pag. 95. Arch, de Zoologie exp. & gen.
Vol. IV, pag. 359.
1875. Solaster endeca, Moebius et Bütschli. Die Exped.
z. phys.-cbem. und biol. Unters. der Nordsee.
Bericht 1875, pag. 148.
1878. Solaster- endeca, Viguier. Squelette des Stellérides.
Arch. d. Zool. exp. et gén. Tom. VII, pag. 134.
1881. Solaster endeca, Duncan & Sladen. A Memoir on
the Echinodermata of the arctic Sea to the
West of Greenland, pag. 40.
Ogsaa paa denne Søstjerne have vi undersøgt
Skeletdelene, afbildet en Del deraf og kommer længere hen at
omtale dem.
Den er meget almindelig langs hele Norges Kyster.
Paa Expeditionen blev den funden paa følgende Stationer:
267, 1 Exemplar (ikke meget stort, men dog udvoxet) med
8 Arme. 280, et lidet Exemplar. 315, 1 do. 363, 2
meget store Exemplarer. Desforuden er den udbredt ved
den murmanske Kyst, de færøiske, islandske, grønlandske,
britiske og nordamerikanske Kyster.
Slægten Solaster. først opstillet af Forbes, har til
forskjellige Tider været underkastet en særskilt Bedømmelse,
idet nogle Forskere, saasom Lütken, Duncan & Sladen og
A. Agassiz have udtalt sig for, at dens to Arter, S. endeca
og papposus, burde deles i to Slægter, — og Agassiz har
da for Sol. papposus’s Vedkommende optaget Müller «fe
Tros-chels Benævnelse Crossaster, — imedens Andre, f. Ex.
Viguier og Perrier ikke vil vide af nogen Deling og have
derfor bibeholdt Forbes’s oprindelige Slægtsnavn.
Professor Verrill har opstillet en ny Slægt, Lophaster,
for en tredie Art, nemlig Solaster furcifer, hvilken enkelte
Naturforskere ere tilbøielige til at godkjende. Der er
saaledes for ikke mindre end 3 Arter af den forresten paa
Arter fattige Slægt, Solaster, dannet 3 Slægter: Lophaster,
Crossaster og Solaster, og det er disse, vi nu skulle
underkaste en kritisk Bedømmelse.
Professor A. Agassiz, der først har opstillet Sol.
papposus som Typen for en ny Slægt og benævnt den
Crossaster, der er Müller & Troschel’s første Slægtsnavn for
1861. Solaster endeca, M. Sars. Oversigt af Norges Echi-
nodermer.
1862. Solaster endeca, Dujardin & Hupé. Hist. Nat.
Zooph. Echinodermes, pag. 354.
1866. Solaster endeca, Verrill. Proceed. Boston Soc. Nat.
Hist. Vol. X, p. p. 345, 356.
1871. Solaster endeca, Hodge. Nat. Hist. Trans. North-
umb. & Durham, Vol. IV, pag. 135.
1875. Solaster endeca, Ed. Perrier. Stellerides du
Museum, pag. 95. Arch, de Zoologie exp. & gén.
Vol. IV, pag. 359.
1875. Solaster endeca, Moebius et Bütschli. Die Exped.
z. phys.-chem. und biol. Unters. der Nordsee.
Bericht. 1875, pag. 148.
1878. Solaster endeca, Viguier. Squelette des Stellérides.
Arch. d. Zool. exp. et gén. Tom. VII, pag. 134.
1881. Solaster endeca, Duncan & Sladen. A Memoir on
the Echinodermata of the Arctic Sea to the
West of Greenland, pag. 40.
We have also examined the skeleton parts of this
starfish, and have illustrated a portion of these; and will
subsequently proceed to speak of them.
This Starfish is a very common one along the whole
of thr Norwegian coast. During the expedition it was
found at the following stations:
Station No. 267. One specimen (not a very large specimen,
’ but still, full grown) having 8 rays.
— „ 280. One small specimen.
— „ 315. One small specimen.
— „ 363. Two very large [specimens.
Its distribution, is, otherwise. The Murman Coast. The
Faroe Islands. Iceland. The coast of Greenland and the
British and North American coasts.
The genus Solaster. originated by Foi’bes, has been at
various times submitted to special criticisms, and some
Naturalists, such as Lütken, Duncan and Sladen, and A.
Agassiz, have expressed the opinion, that its two species,
Solaster endeca and Solaster papposus, ought to be classed
as two genera. Agassiz also, has in reference to Solaster
papposus adopted Müller and Troschel’s designation
Crossaster, whilst some others, as for instance, Viguier, and
Perrier, will not admit of any division, and have therefore
retained Forbes’ original generic designation.
Professor Verrill has presented a new genus,
Lophaster, instead of a third species viz. Solaster furcifer, and this,
some naturalists are inclined to accept. There is thus;
for no fewer than three species of the genus Solaster, so
poOr otherwise in species; adopted three genera, viz.
Lophaster, Crossaster and Solaster. We shall now submit these
to a critical examination.
Professor A. Agassiz who originated Solaster papposus
as the type of a new genus, which he named Crossaster;
Müller and Troschel’s original generic .designation for
7*
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