formigt delte i den ene Ende. Imellem disse lange Spikler 
findes en Mengde mindre, næsten runde, sammensatte af 
flere Kalkkorn og 0,008”” brede, Fig. 15. 16. 
Kalkaxen er rund og ender 3”” fra den bulbøse Dels 
Bund 1 en liden Anse. 
Farven. 
Saavel Rachis med sine Celler som Stilk er blygraa. 
Polyperne ere næsten vandklare, men faar et brunligt Skjær 
derved, at det brune Svælg skinner igjennem. Tentaklerne 
ere paa Midten af deres adorale Flade svagt brunlige, 
hvilket ogsaa er Tilfældet med Pinnulerne; men forresten 
have de Blyglandsen, fremkaldt ved Spikelpantseret. 
Findested. 
Station 101. 
Protoptilum lofotense, n. sp. 
Tab. IT, Fig. 14—20. 
Af denne Søfjær blev fundet kun et Fragment, der 
dog væsentlig bestod af saagodtsom hele Rachis; Stilken 
manglede ganske. 
Det forresten vel konserverede Stykke er 90”” langt. 
Rachis er meget stiv. Cellerne danne lidt uregel- 
mæssige, paatversgaaende Rækker, 3 i hver Række, saaledes 
nemlig, at den midterste Celle indtager Midtpartiet af 
Dorsalfladen og staar noget høiere: end de to andre, en 
paa hver Side af Midteellen, Fig. 14. Af disse to laterale 
Celler staar i Regelen den ene lidt ovenfor den anden; kun 
i en enkelt Række, omtrent midt paa Rachis, stod de 
saagodtsom lige overfor hinanden. 
Cellerne ere stillede saaledes, at den øvre Celles 
Grunddel rækker til den nedenfor staaendes Aabning; for- 
resten iagttages Cellernes Stilling og Forhold til hinanden 
særdeles godt paa den noget hvælvede Dorsalside, Fig. 14. 
Cellerne ere næsten traktformige, 3—5”” lange, deres 
indre Væg er fastvoxet til Rachis, og Aabningens ydre, 
fri Rand, der er lidt høiere end den indre, fastvoxede, er 
forsynet med 3 stærke, lancetformige Tender, Fig. 14. 16, a. 
Paa Midtcellens Grund, stundom et Stykke op paa samme, 
imellem den og Sidecellerne sees runde Zooider, staaende 
dels i smaa Grupper, dels enkeltvis, Fig. 17; de have en 
rund, vid Aabning, Fig. 17, a. 
af Rachis aftage betydeligt i Størrelse og bære uudviklede 
Polyper. 
Cellerne paa den nederste Del . 
‘eated in the one extremity. 
0.150 —--0.180"” 
A few of them are, almost bifur- 
they measure from from 
0.020—0.028”” broad. 
long. and 
Between these long spicules, 
a multitude of smaller ones are found; these are almost 
round, and are composed of several calcareous grains; they 
measure 0.008”” broad (figs. 15, 16). 
The caleareous axis 1s and terminates in a 
small hook, 37” from the bottom of the bulbous portion. 
round, 
Colour. 
Both, the rachis with its cells, and also, the stem, 
are leaden-grey. The polyps are almost as clear as water, 
but, owing to the brown gullet appearing visible through, they 
At the middle of their 
surface, the tentacles are faintly brownish, which, also, is 
obtain a brownish tinge. adoral 
the case with the pinnules; but they, otherwise, have the 
leaden lustre produced by the spicular plating. 
Habitat. 
Station No. 101. 
Protoptilum lofotense, n. sp. 
PI. IT, flgs. 14—20. 
Only a fragment of this sea-pen was found, which, 
however, essentially, consisted of almost the entire rachis ; 
the stem is completely awanting. 
This in other respects well preserved fragment, is 
90”” long. 
The rachisis very erect. The cells form somewhat irregular 
transversal series, 3 in each series, in such manner, that the 
intermediate cell occupies the mesial part of the dorsal sur- 
face, and it projects more than the two others, which are 
placed one on each side of the mesial cell (fig. 14). The 
one of these two lateral cells is usually situated, a little 
above the other one, and, only, in a single series about 
the middle of the rachis, were they found situated, nearly 
opposite to each other. 
The cells are so placed, that the basal portion of the 
superior cell extends to the aperture of the one placed 
below it; the arrangement of the cells and their relation 
to each other is, however, particularly well observed on the 
somewhat arched dorsal side (fig. 14). 
The cells are almost funnel-shaped, and are 3—5”” 
long, their inner wall is conereted with the rachis, and 
the outer free margin of the aperture, which is a little 
higher than the inner concreted one, is furnished with 3 
strong lanceolate teeth (figs. 14, 16, a). At the base of the 
mesial cell, occasionally, a small piece up it, and also, 
between it and the lateral cells, round zooids are seen 
situated, partly, in small groups, partly, singly (fig. 17) and 
these have a round wide aperture (fig. 17,@). The cells on 
the inferior part of the rachis diminish, considerably, in size, 
and carry undeveloped polyps. 
