Artskarakter. 
Forholdet imellem den lille og store Radius som 1: 2?/4. 
Skiven bred med 10 korte, vidtstaaende Arme. Paxillerne 
paa Skivens og Armenes Ryg korte og staa langt fra hver- 
Respirationsrørene paa Armene er fra 1—3 i hvert 
Piggene langs Ambulacralfuren udgaa 
7, samlede fra hver Adambulacralplade. Interbrachialrum- 
mene brede, tæt besatte med Paxiller. Farven kjødrød 
med mørkerøde, spredte Pletter paa Rygtladen; Btgen 
andre. 
Interpaxillarfelt. 
gulhvid. 
Solaster furcifer, Diiben & Koren. 
Tab. VIII, Fig. 12. Tab. IX, Fig. 9—16. 
1844.  Solaster furcifer, Diben & Koren. Kungl. Vetensk. 
Akad. Förhandlingar 1844, pag. 243, pl. VI, 
fig. "—10. 
1862. Solaster furcifer, Dujardin & Hupé. Hist. Nat. 
Zooph. Echinodermes. 
1873.  Solaster furcifer, Wyville Thomson. The depths 
of the Sea, pag. 119. 
1878. Lophaster furcifer, Verrill. Amer. Journ. Sc. & 
Arts, Ser. 3, Vol. XVI, pag. 214. 
1878. Solaster furcifer, Stuxberg. HEchinodermer fran No- 
vaja Semlja’s Haf. Ofversigt af K. Vet. Akad. 
Förhandlingar 1878, No. 3, pag. 33. 
1881. Lophaster furcifer, Duncan & Sladen. A Memoir 
on the Echinodermata of the Arctic Sea to the 
West of Greenland, pag. 43, pl. IT, fig. 9—12. 
Af denne Søstjerne blev der fundet paa Expeditionen 
nogle Exemplarer, hvoraf de fra den kolde Area og det 
store Dyb havde en overordentlig Størrelse. Det fremgaar 
heraf, at dens egentlige Hjem er de arktiske Have. 
Da Hudskelettet ikke tidligere hverken har været af- 
bildet eller ngiagtigt beskrevet, ihvorvel Professor Verrill 
har lagt dette til Grund for Dannelsen af en ny Nlægt, 
hvorom vi senere hen skulle tale, saa ville vi nu nærmere 
omtale det. 
Ryggens Hudskelet er paa Skiven dannet af flade, 
paa den indvendigeNide lidt hvælvede, stjerneformige Kalkpla- 
der med 5—6 Udløbere, der, idet de forene sig med til- 
grændsende Pladers Udløbere, danne et Slags Net med 
smaa, mere eller mindre runde Masker, Tab. LX, Fig. 9, a. 
Paa Armene bestaar Hudskelettet af tættere Kalknet med 
smaa, rudeformige Masker, der dannes af Kalkplader, 
Specific Character. 
The proportion between the disk radius and the brachial 
radius is,as1:2*/;. The disk is broad; with 10 short rays 
placed wide apart. The paxille on the abactinal sur- 
face of the disk and rays are short, and placed wide apart. 
Upon the rays, and situated in each interpaxillar area, 
there are 1—3 tentacular tubes. The spines along the 
margins of the ambulacral furrow, proceed in sets of 7, 
from the margin of.each adambulacral plate. The inter- 
brachial spaces are broad, and, closely, beset with paxille. 
The colour is flesh-red, with dark red scattered patches, 
on the abactinal surface; and on the actinal surface, the 
colour is yellowish-white. 
Solaster furcifer, Diiben & Koren. 
JPL, WIQUE, me 12, IL IDK ies, V=ilil, 
1844. Solaster furcifer, Diben & Koren. Kungl. Vetensk. 
Akad. Förbandlingar 1844, pag. 243, pl. VI, 
fig. T—10. 
1862. Solaster furcifer, Dujardn & Hupé. Hist. Nat. 
Zooph. Echinodermes. 
1873.  Solaster furcifer, Wyville Thomson. The depths 
of the Sea, pag. 119. 
1878. Lophaster furcifer, Verrill. Amer. Journ. Sc. & 
Arts, Ser. 3, Vol. XVI, pag. 214. 
1878.  Solaster furcifer, Stuxberg. Echinodermer från No- 
vaja Semlja’s Haf. Ofversigt af K. Vet. Akad. 
Förhandlingar 1878, No. 3, pag. 33. 
1881. Lophaster furcifer, Duncan & Sladen. A Memoir 
on the Echinodermata of the Arctic Sea to the 
West of Greenland, pag. 43, pl. ILI, fig. 9—12. 
During the expedition, there were found a few spec- 
imens of this starfish, of which, those found in the cold 
area, or at great depths,.were extremely large. It would 
appear from this, that its proper habitat is in the Arctic 
seas. 
As the dermal skeleton has, hitherto, neither been il- 
lustrated nor described, notwithstanding, that Prof. Verrill 
has adopted it as the basal feature in the formation of a 
new genus, regarding which we shall subsequently speak, 
we shall discuss it here a little more fully. 
Upon the disk, the abactinal dermal skeleton is formed 
of flat, asteriated, calcareous plates, which are slightly con- 
vex on the exterior surface, and have 5—6 projections, 
which, by uniting with the projections of the adjacent 
plates, form a kind of reticulation, with small, more or less 
circular meshes (Pl. IX, fig. 9, a). Upon the rays, the 
dermal skeleton consists of a closer calcareous reticulation, 
