108 
Troschelia berniciensis, King 
Fusus 
Boreofusus — 
Troschelia — 
Findested. Stationerne 9, 10, 23, 79 og 255. Dybde 
80—341 fy. Var. inflata forekom paa station 10, var. 
elegans paa station 23. 
Troschelia berniciensis er udbredt fra Hasvig, Vest- 
finmarken til Cap Vert, Azorerne og Canariske ger. ,, Va- 
lorous“expeditionen har taget den mellem Europa og Grøn- 
Derimod er den endnu ikke iagttaget ved Amerikas 
Den bathymetriske udbredelse er 50—1020 fv. 
land. 
kyster. 
berniciensis, King, Ann. Mag. Nat. Hist., vol. 18, 1846, p. 246. 
G. 0. Sars, Mol. Reg. Arct. Norv., 1878, p. 278, PI. 14, fig. 2, PI. X, fig. 26, PI. XVIII, fig. 56. 
Friele, Nordhavs Exp. Moll., vol. 1, 1882, p. 95. 
Locality. Stations 9, 10, 23, 79, and 255. Depth 
80—341 fathoms. Var. inflata was found at Station 10, 
var elegans at Station 25. 
T. berniciensis is distributed from Hasvig in W. Fin- 
mark, to Cape Verd, the Azores and the Canary Isles. 
The ‘Valorous’ found it between Europe and Greenland. 
On the other hand, it has not yet been observed on the 
coast of America. Bathymetrical distribution 50—1020 
fathoms, 
Acera buliata, O. F. Miller. 
Akera bullata, O. F. Miller, Prod. Fau. Dan., 1776, p. 242. 
våken 0 == 
Findested. Alten, 10 fy. 
Acera bullata er udbredt fra Øxtjord, Vestfinmarken 
til Middelhavet og Madeira. Den bathymetriske udbredelse 
er 2—50 fv. 
Jeffreys, Brit. Conch., vol. 4, 1867, p. 430, Pl. 8, fig. 3. 
G. O. Sars, Moll. Reg. Arct. Norv., 1878, p. 281, Pl. 26, fig. 1, Pl. XII, fig. 17. 
Locality. Alten (10 fathoms). 
A. bullata is distributed from Øxfjord, W. Finmark, 
to the Mediterranean and Madeira. Bathymetrical distri- 
bution 2—350 fathoms. 
Cylichna alba, Brown. 
Volvaria alba, Brown, Ill. Conch., 1827, p. 3, Pl, 19, fig. 43 & 44. 
Cylichna — Jeffreys, Brit. Conch., vol. 4, 1867, p. 417, PI. 8, fig. 1 a, vol. 5, p. 223, PI. 93, fig. 6. 
Findested. Stationerne 40, 79, 124, 173 b, 240, 
253; 260, 261, 262 (2600 270) 203, 290,0295, 323, 826, 
338, Husø 40—60 fv., Rognan, Salten, 20 fv., Tromsø, 
10—20 fy. Hammerfest, 20 fv., Beeren Hiland, 18 fv., 
Norskøerne, 10—80 fy., Magdalena Bay, 30—60 fy., Ad- 
vent Bay, 20—30 fv. Dybde 10—1181 fy. Varieteten 
corticata var hyppig ved Spitsbergen. 
Cylichna alba er en circumpolar art, som er udbredt 
fra Spitsbergen, Frants Josefsland, Novaja Semlja til Azo- 
rerne og fra Grønland til Pernambuco, Brasilien. End- 
videre forekommer den ved Sibiriens ishavskyster, Berings- 
havet, Aleuterne, nordvestlige America indtil Californien 
og Japan. Den bathymetriske udhredelse er 1—1366 fv. 
Fossil er den funden i Norge, England, Italien, Murman- 
kysten, Spitsbergen, Nordamerika og Kane Valley. 
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G. O. Sars, Moll. Reg. Arct. Norv., 1878, p. 283, Pl. 17, fig. 15, Pl. XI, fig. 3. 
Locality. Stations 40, 79, 124, 173 b, 240, 253, 
260, 261, 262, 267, 270, 273, 290, 295, 323, 326, and 
338, Husø (40—60 fathoms), Rognan, Salten (20 fathoms), 
Tromsø (10—20 fathoms), Hammerfest (20 fathoms), Bear 
Island (18 fathoms), the Norwegian Islands (10—30 fath- 
oms), Magdalena Bay (30—60 fathoms), and Advent Bay 
(20—30 fathoms). Depth 10 —1181 fathoms. The variety 
corticata occurred frequently in Spitsbergen. 
C. alba is a circumpolar species, distributed from 
Spitsbergen, Franz Josef Land, and Novaja Semlja, to the 
Azores, and from Greenland to Pernambuco. Other places 
of occurrence — Arctic shores of Siberia, Bering Sea, 
Aleutian Isles, north-west America down to California, 
and Japan. Batbymetrical distribution 1—1366 fathoms. 
Fossil in Norway, England, Italy, on the Murman Coast, 
in Spitsbergen, N. America, and the Kane Valley. 
