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30
lerne og de nævnte Bugpigge, der staa 3 og 3 sammen,
hvilken ganske mangler hos Stichaster ardicus.
Hudskelettet er mere aabent, har større Masker, saa
at flere Tentakelrør kunne passere dem hos Stichaster
rosens, imedens det hos Stich. ardicus er tættere, Maskerne
mindre, saa at kun et Tentakelrør kan træde igjennem.
the fact is, that situated between these and the former,
there is a series of slender, oblong, calcareous
plates,.carrying a spine, so, that, in Stichaster rosens, we find a
series of spines between the ambulacral papillæ and the
ventral spines already spoken of, which are placed 3 and 3
together, and this feature is entirely awanting in
Stichaster ardicus.
The dermal skeleton in Stichaster roseus is more open,
and has such large meshes, that several tentacular tubes
can be included in them, whilst, in Stichaster ardicus, the
dermal skeleton is closer, and the meshes smaller, so, that
they cannot include more than one tentacular tube.
Stichaster roseus, (O. Fr. Müller) Müller & Troschel.
Tab. VIII, Fig. lfi.
1788. Asterias rosea, O. Fr. Müller. Zool. Dan. 2 Fasc.
pag. 35, Tab. 67.
1840. Stichaster roseus, Müller & Troschel.
Monatsbe-richt (ler Acad. der Wiss. Berlin. Wiegmann’s
Archiv. Vol. VI, 2te Partie, pag. 233.
1841. Cribrella rosea, Forbes. British Starfishes, pag. 106.
1844. Asteracanthion roseus, Düben & Koren. Kungl.
Vet. Akad. Handlingar 1844, pag. 241.
1861. Stichaster roseus, M. Sars. Oversigt af Norges
Echinodermer, pag. 86.
1865. Stichaster roseus, Norman. Ann. & Magaz. offNat.
Hist. Vol. XV, 3rd Ser. pag. 125.
1869. Asteracanthion roseus, Ed. Perrier. Recherches sur
les Pedicellaires. Ann. d. se. nat. 5e Ser. Tom.
XII, pag. 229, pl. 17, fig. 7.
1872. Stichaster roseus, Hodge. Nat. Hist. of
Northumberland and Durham. Vol. IV, pag. 136.
1875. Stichaster roseus, Ed. Perrier. Arch, de Zool.
ex-périm. & gen. Vol. IV, pag. 317.
Der blev fundet af denne Søstjerne nogle Exemplarer
i Sognefjorden (Husøen) paa 40—50 Favne samt paa 25de
Station et Par Exemplarer. En Arm af et ungt
Exemplar er afbildet for at vise Forskjellen imellem dens
Hudskelet og det hos Stichaster ardicus. Saavidt os bekjendt
er den hidtil kun fundet ved den engelske og norske Kyst,
og ved den sidste ikke nordligere end 25de Station.
Stichaster roseus, (O. Fl’. Müller) Miiller & Troschel.
PI. VIII, fig. 16.
1788. Asterias rosea, O. Fr. Müller. Zool. Dan. 2 Fasc.
pag. 35, Tab. 67.
1840. Stichaster roseus, Müller & Troschel.
Monatsbe-richt der Akad. der Wiss. Berlin. Wiegmann’s
Archiv. Vol. VI, 2ten Partie, pag. 323.
1841. Cribrella rosea, Forbes. British Starfishes, pag. 106.
1844. Asteracanthion roseus, Düben & Koren. Kungl.
Vet. Akad. Handlingar 1844, pag. 241.
1861. Stichaster roseus, M. Sars. Oversigt af Norges
Echinodermer, pag. 86.
1865. Stichaster roseus, Norman. Ann. & Magaz. of Nat.
Hist. Vol. XV, 3rd Ser. pag. 125.
1869. Asteracanthion roseus, Ed. Perrier. Recherches sur
les Pedicellaires. Ann. d. se. nat. 5e Ser. Tom.
XII, pag. 229, pl. 17, fig. 7.
1872. Stichaster roseus, Hodge. Nat. Hist. of
Northumberland and Durham. Vol. IV, pag. 136.
1875. Stichaster roseus, Ed. Perrier. Arch, de Zool.
ex-pér. et gen. Vol. IV, pag. 317.
Several specimens of this Starfish were found, at a
depth of 40—50 fathoms, at Husøen (Sognefjord), and also,
a couple of specimens, at station No. 25. A ray of a
young specimen is illustrated, to show the difference,
between its dermal skeleton, and that of Stichaster ardicus.
As far as we are aware, it has, hitherto, only been found
on the British and Norwegian coasts, and on the last
named, not further North than station No. 25.
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