Bela tenuicostata, M. Sars. 
Pleurotoma tenwicostata, M. Sars, Christiania Vidensk. Selsk. Forhandl., 1868, p. 259. 
Bela —— G. O. Sars, Moll. Reg. Arct. Norv., 1878, p. 237, Pl. 17, fig. 1, Pl. IX, fig. 6 
— — Friele, Nordhavs Exp. Moll., vol. 9, 1886, p. 14, IP, Se ee UG orm Mere, JEM, MOL me AL 
Forma willei, Friele, Op. cit., p. 14, Pl. 8, fig. 16 & Ie. 
Findested. Station 18, 40, 79, 87, 124, 137, 164. Locality. Stations 18, 40, 79, 87, 124, 137, 164, 
1925 1a, 200) 0225, “251, 259, 213, 312, (3238 (05302. 192, 19518200, 225, 25015 209" 273, 312, 823 Frid 302. 
Dybde 100—1215 fy. Varieteten -willei forekommer sam- Depth 100—1215 fathoms. The variety willei oceurs to- 
men med hovedformen, paa de større dyb er dog varieteten gether with the principal form, the variety being the more 
den hyppigste. frequent in greater depths. 
Bela tenuicostata er udbredt langs vor vest- og nord- B. tenuicostata is distributed along the west and north 
kyst. Endvidere er den kjendt fra Grønland, Nordamerikas © coasts of Norway. Other places of occurrence — Green- 
østkyst, nordlige Atlanterhav, Færøkanalen, Irlands vest- | land, east coast of N. America, North Atlantic, Faroe 
kyst, Biskayerbugten, Novaja Semlja og Sibiriens ishavs- | Channel, west coast of Ireland, Bay of Biscay, Novaja 
kyster. Den batbymetriske udbredelse er 30—1622 fy. | Semlja, and Arctic shores of Siberia. Bathymetrical dis- 
Fossil er den kjendt fra det nordlige Grønland. p tribution 30—1622 fathoms. Fossil in the north of 
Greenland 
Bela ovalis, Friele. 
Plewrotoma (bela) ovalis, Friele, Nyt. Mag. f. Naturvidensk., vol. 23, 1877, p. 9, fig. 5 
Bela pygmea, Verrill, Trans. Con. Acad., vol. 5, 1882, p. 460, Pl. 57, fig. 8. 
Pleurotoma exigua, Jeffreys, Proc. Zool. Soc., 1883, p. 399, Pl. 44, fig. 10. 
Bela ovalis, Friele, Nordhavs Exp. Moll., vol. 2, 1886, p. 14, PS EGEN) å 19. 
Findested. Stationerne 35, 40, 240, 283, 295 og Loeality. Stations 35, 40, 240 283, 295, 312, and 
353. Dybde 658—1333 fv. 353. Depth 658—1333 fathoms. 
Verrill har denne art fra New England, 312 —1290 Verrill has this species from New England (312— 
fy. ,Triton*expeditionen fandt deni Fergkanalen, 570 fy. | 1290 fathoms), the ‘Triton’ found it in the Faroe Channel 
| 
og SCandany expeditionen i Gascognerbugten, 919 fy. (570 fathoms), and the ‘Caudan’ in the Bay of Gascogn 
(919 fathoms). 
Bela bicarinata, Couthouy. 
Pleurotoma bicarinata, Couthouy, Boston Jour. Nat. Hist., vol. 2, 1839, p. 104, Pl. 1, fig. 11. 
— violacea, Mighels, Proc. Boston Soc. Nat. Hist., vol. 1, 1841, p. 50. 
Defrancia cylindracea, livida & beckii, Møller, Ind. Moll. Grønl., 1842, p. 13 & 14. 
Bela bicarinata & violacea, G. O. Sars, Moll. Reg. Arct. Norv., 1878, p. 237 & 238, Pl. 16, fig. 11 & 12, Pl. 17, fig. 2 
& 9, PL TX fe TG 8: 
= -- Verrill, Trans. Con. Acad., vol. 5, 1882, p. 482, Pl. 57, fig. 16. 
= — Friele, Nordhavs Exp. Moll, vol. 2, (886, jo, 165 18 SG sie, Wey aris Jel, MOR ime, 15) ar NG. 
Findested. Stationerne 79, 124, 164, 173 b, 192, | Locality. Stations 79, 124, 164, 1738 b, 192, 200, 
200, 251, 260, 290, 312, 359 og Magdalena Bay. Dybde 251, 260, 290, 312, and 859, and Magdalena Bay. Depth — 
50—658 fy. 30— 658 fathoms. 
Var. geminolineata, Friele. Var. geminolineata, Friele. 
Findested. Advent Bay, 5 fv. | Locality. Advent Bay (5 fathoms). 
Denne i høi grad varierende art er udbredt langs | This exceedingly variable species is distributed all 
hele. vor kyst. Bela bicarinata er forøvrigt eircumpolar. along the Norwegian coast. Otherwise B. bicarinata is 
Den bathymetriske udbredelse er 0—658 fy. Fossil fore- eireumpolar.  Bathymetrical distribution 0—658 fathoms. 
kommer den ifølge Knipowitsch paa Murmankysten og According to Knipowitsch, it occurs as a fossil on the 
Spitsbergen. Murman Coast and in Spitsbergen. 
