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between these papillae with several small ditches. The oscula
are minute, dispersed. The consistency fragile.
Skeleton. The skeleton consists of acerate spicules
of two kinds, which both are slightly arcuated and tapering
from the middle to the sharp-pointed terminations. The large
are 0,75 mm in length; the small, more slender, are only 0,is
mm long.
Colour. The colour of specimens dried or preserved in
spirit is yellowish.
Habitat. From the expedition to Spitzbergen during the
years 1872—1873; locality and depth unknown.
Amorphina renieroides n. sp.
Plate 24, fig. 9, Plate 27, fig. 9.
This species is represented by several pieces, probably
fragments of only one specimen. Outer form, consistency and
surface agree well with a Eeniera Nar do — and therefore I
have given the naine of renieroides to this species —but the
disposition of the spicules indicates that we have to deal with a
species of Amorpliina O. S. Characteristic for this sponge is
the variable size of the spicules. The sponge forms irregular,
nodular masses, attached to hard objeets, such as stones, shells
etc. The best preserved piece is 60 mm in length, upwards
divided in two parts. The surface is even and smooth. The
oscula are large and few in number, often furnished with a
small peristome, in the outer shape slightly agreeing with that
of many Caleispongice. The consistency is tolerably firm. The
interstitial canals and cavities are well developed.
Skeleton. The skeleton consists of acerate spicules;
in this sponge these spicules vary more than in others which
I have examined. Their size is 0,2—0,6 mm. The larger are
the most numerous. They are ali curved. The smaller are
almost of the same diameter as the greater.
Colour. When preserved in spirit, yellowish brown.
Habitat. Konyam Bay, depth 2—16 fathoms (1058 V.).
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