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12
Porella elegantula. D’Orb.
Eschara elegantula, Smitt (24, IV), p. 24. 154. tab. 26,
fig. 140- 146.
Porella elegantula. Ridenkap (1). p. 627, tab. 25, tig. 7, 8
Findesteder. St. 270. 223 (Jan Mayen).
Fra Jan Mayen liar Lorenz (16, p. 89, 90) opført 4
arter af slægten Porella. nemlig concinna, acutirostris,
com-prensa og laeiis. Hertil blir nu ogsaa at føie elegantula.
Gen. Escharoides.
Escharoides sarsii, Smitt,
Smitt (24. IV), p. 24, 158, tab. 26, fig. 147—154.
Findesteder. Norskøerne, St. 270.
Arten er ren arktisk. Fra Tromsøsundet har jeg
seet eksemplarer, som havde en lignende vekstform som
Lepralia foliacea fra Englands kyst (f. eks. Plymouth
sound), idet kolonierne dannede pladeforniigt udbredte og
sammenvoksede kavernøse masser. Se forøvrigt M. Sars
(23, p. 141 — 144).
Gen. Smittia.
Smittia palmata, M. Sars.
? Flustra solida, Stimpson, Invertebrata of Grand Manan.
„ ,. Nordgaard (18), p. 15.
Eschara palmata, M. Sars (23), p. 146.
„ ,, Vigelius (31). p. 15, fig. 2, 3.
Escharella palmata, Smitt (24, IV), p. 10, 77, tab. 24, fig.
42—46.
Smitt ^26), p. 21.
Smitt (27), p. 29.
„ „ Lorenz (Hi), p. 91.
Stuxberg (29), p. 112.
,. .. Levinsen (15), p. 14, tab. 27, fig. 3.
Psmdo-flustra solida, Bidenkap (1), p. 618.
Findesteder. St. 18, 31, 48, 223, 251. 262, 267,
290, 326, 337, 363.
I min fortegnelse over norske poly zoo r opførte jeg
Sars’s Eschara palmata som Flustra solida, Stimpson. Jeg
havde dengang ikke seet noget eksemplar af arten, og
henholdt mig til Jelleys katalog. Imidlertid behover man ikke
at se længe paa den forat finde ud, at den ikke godt kan
henføres til slegten Flustra, og Bidenkap (1), oprettede
saaledes en ny slegt (Pseudo flustra), hvor arten blev
anbragt. Dotte kunde visselig forsvares, men jeg liar her
foretrukket at opføre den som en Smittia, da aviculariets
Porella elegantula, D’Orb.
Eschara elegantula, Smitt (24, IV), pp. 24, 154; Pl. XXVI,
figs. 140 146.
Porella elegantula. Bidenkap (1), p. (’,27; Fl. XXV, figs. 7, 8.
Occurrence. St. 270, 223 (Jan Mayen).
Lorenz (16, pp. 89, 90) has established 4 species of
the genus Porella from Jan Mayen, viz. concinna.
acutirostris, compressa and lær is. To these must now also be added
elegantula.
Gen. Escharoides.
Escharoides sarsii, Smitt.
Smitt (24, IV), pp. 24, 158; Pl. XXVI, figs. 147 154.
Occurrence. Norwegian islands, Station 270.
The species is purely arctic. I have seen specimens
from Troinsö Sound, that had a form of growth similar to
that of Lepralia foliacea from the English coast (e. g.
Plymouth Sound), as the colonies form lamellarly expanded
and aggregated cavernous masses. See also M. Sars (23.
pp. 141 — 144).
Gen. Smittia.
Smittia palmata, M. Sars.
? Flustra solida, Stimpson, Invertebrata of Grand Manan.
„ „ Nordgaard (18), p. 15.
Eschara palmata, M. Sars (23). p. 146.
„ „ Vigelius (31), p. 15, figs. 2, 3.
Escharella palmata, Smitt (24, IV), pp. 10, 77; Pl. XXIV,
figs. 42—46.
Smitt (26), p. 21.
Smitt (27), p. 29.
,, „ Lorenz (16), p. 91.
„ „ Stuxberg (29), p. 112.
Levinsen (15), p. 14; Pl. XXVII,
fis- 3.
Pseudo-flustra solida, Bidenkap (1), p. 618.
Occurrence. St, 18, 31, 48, 223, 251, 262. 267,
290. 326, 337. 363.
In my list of Norwegian polyzoans, I entered Sars’s
Eschara palmata as Flustra solida, Stimpson. I had not
at that time seen any specimens of the species, and had
followed Jelley’s catalogue. It need not lie looked at long,
however, to see that it cannot well be referred to the
genus Flustra, and Bidenkap (1) therefore established a
new genus (Pseudo-flustra), in which the species was placed.
This may be quite justifiable, but 1 have preferred to enter
it as a Smittia, as the position and structure of the avi-
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