xl 
Cladiscus Köllikeri, n. sp. 
Tab. IT, Fig. 8—13. 
Stokken meget tynd, stiv, rund; det største Exemplar 
48”” langt; Rachis 30””. lang; dens øverste Ende dels 
tvers afskaaren og blottet for Sarcosoma i 1—2”” Længde, 
dels noget afstumpet og omgiven af nogent Sarcosoma; 
paa et Exemplar sees Polyper ogsaa paa den øverste 
Del af Raehis, hvor der er Antydning til en Terminal- 
polyp, Fig. 8. 
Den bulbøse Del (Stilken) er omtrent halvt saa lang 
som Rachis og ender i en aflang, stundom næsten kugle- 
rund, halv gjennemsigtig Blære, hvis Muskulatur, der bestaar 
af Længde- og Tverfibre, skinne tydeligt igjennem, og 1 hvis 
Bund der synes at være en ganske lider Aabning, omgiven 
af en Sphincter. 
Ventralsiden er næsten flad og har paa Midten en 
smal Fure, paa hvis Sider sees en Række Zooider, der ere 
klokkeformige og ligge paatvers, saa at den vide, runde Mund- 
aabning vender udad, imedens Kroppens nederste, smalere 
Del vender mdad imod Furen, Fig. 9, a. 10, &. Disse 
Zooider ere med smaa Mellemrum skilte fra hverandre; 
men hvor Cellerne fra hver Side nærme sig hinanden imod 
Bugfuren, ligge Zooiderne tættere, Ja næsten lige ved 
Siden af hinanden, Fig. 9. Fra Zooidens nederste Svælg- 
ende udgaa to Gastralfilamenter, der ere fæstede til Septula, 
Fig. 10, b, hvilke gaa paaskraas et Stykke md i Sarcoso- 
maet. 
Dorsalsiden er hvælvet, og kun paa de Steder, hvor 
Polypcellerne fra hver Side nærme sig hinanden, er en 
kort smal Fure, Fig. 11, a. 
Polypeellerne staa 1 afvexlende Rækker paa hver Side 
af Rachis's Dorsalflade, i Regelen 3 Celler i hver Række; 
men paa enkelte Exemplarer findes kun 2. De staa i en 
skraa Retning fra Dorsal- til henmod Midten af Ven- 
tralsiden, og hvor der er 3, ere de to sammenyoxede i 
deres nederste Ende, hvorved en smal Stilk dannes, der 
gaar over 1 Sarcosomaet, imedens den Tredie gaar umid- 
delbart over i Rachis, Fig. 12; sjeldent sidde alle 3 iso- 
lerede. 
Cellerne ere cylindriske, glatte, næsten vandklare, 
0,68”” lange, 0,52”” brede, lidt smalere nedad, videre for- 
oven, hvor den fri Rand er forsynet med 8 lange Papiller, 
Fig. 12, a. Rummet imellem Cellerekkerne er omtrent 
1,57”, og paa en Rachis, der er 30”” lang, findes paa hver 
Side 18 Cellerækker med udviklede Polyper; nedenfor disse 
er der 10—12 uudviklede Cellerækker, der gaar over i en 
enkelt Række smaa, runde Zooider, som strække sig et 
Stykke ned paa den bulbøse Del og ligne fuldkommen de 
ovenfor omtalte paa Dorsalsiden, Fig. 8. 
Den norske Nordhavsexpedition. Danielssen og Koren: Pennatulida. 
57 
Cladiscus Kollikeri, n. sp. 
Pl. IT, figs. S—13. 
The stalk is very thin, erect, and round, and it meas- 
ured, in the largest specimen, 48”” in length, whilst the rachis 
measured 30”” long. The superior extremity is partly 
truncated, and for about 1—2”” of its length, it is devoid 
of sareosoma, and it is, also, partly blunted, and surrounded 
by bare sarcosoma; but, in one specimen, polyps are seen 
upon the superior part of the rachis, where there is also 
indication of a terminal polyp (fig. 8). 
The bulbous part (the stem) is about half the length 
of the rachis, and terminates in an oblong, sometimes 
almost spherical, semi-translucent vesicle; whose muscular 
structure is composed of longitudinal, and transversal fibres, 
which appear, distinctly, visible through it’s wall; and in whose 
bottom there appears to be, a quite small aperture, enclosed 
by a sphincter. 
The ventral side is almost flat, and has a narrow 
furrow in the middle, on whose sides*a series of zooids is 
seen. These are bell-shaped, and placed transversally, in 
such manner, that the wide, round, oral aperture, faces 
outwards, whilst the inferior, narrow part of the body, faces 
inwards towards the furrow (fig. 9, a, 10,@). These zooids 
are separated from each other by small intervals, and at 
the point where the cells of each side approach each other, 
in proximity to the ventral furrow, the zooids are situated 
closer, indeed, close alongside of each other (fig. 9). From 
the inferior extremity of the gullet of the zooids, two 
gastral filaments issue; these are secured to the septula 
(fig. 10, b) which run, diagonally, a small way into the 
sarcosoma. 
The dorsal side is arched, and, only, in those situations 
where the cells of the polyps of each side approach other, 
is there seen, a short narrow furrow (fig. 11, a). 
The cells of the polyps are situated in alternating 
series on each side of the dorsal surface of the rachis, 
usually, 3 cells in each series, but, in a few specimens, 
only 2 cells are so situated. They are placed in a diagonal 
direction, from the dorsal side to, nearly, the middle of the 
ventral side; and when there are 3 cells, two of them are 
conereted in their inferior extremity, producing thus, a 
narrow stem which passes into the sarcosoma, whilst, the 
third cell passes, immediately, over, into the rachis (fig. 12), 
and but rarely, are all the 3 cells isolated. 
The cells are cylindrical, smooth, and nearly translucent, 
and they measure 0.68”” long and 0.527” broad. They are 
slightly narrower below, and broader above; where, the 
free margin is furnished with 8 long papille (fig. 12, a). 
The space between the series of cells is about 1.57”, 
and on one rachis which measures 30”” long, 18 series of 
cells with developed polyps are found on each side; below 
these, there are 10—12 undeveloped cellular series, which 
pass, over, into a single series of small, round zooids, that 
extend a short way down along the bulbous part, and 
completely, resemble those pertaining to the dorsal side, 
(fig. 8), spoken of above. 
D 
