92 



Bela teiiiiicostata, M. ,S:iis. 



PlcnrotovHt tcnuirostata, M. Sårs, Christiania Vidensk. Selsk. Forhandl., 18(38. p. 259. 



Bela — G. 0. Sårs, Moll. Reg. Aret. Norv., 1878. p. 237, Pl. 17. fig. 1, Pl. IX. fig. 6. 



_ — Friele, Nordhavs Ex]). Moll., vol. 2. 1886, p. 14, Pl. 8, fig. 10 & 17, Pl. KJ, fig. 14. 



Forma wilUl. Friele, Op. cit., p. 14, Pl. 8, fig. IG & 17. 



Stations 18, 40. 79. 87. 124. 137. 164 



Findested. Station 18, 40. 79, 87, 124, 137, 164. 

 192, 19.0, 200, 225, 251, 259, 273, 312, 323 og 362. 

 Dybde 100 — 1215 fv. Varieteten iviJlei forekommer sam- 

 men med hovedformen, paa de større dyb er dog varieteten 

 den hyppigste. 



Béiu temiicostafa er udbredt langs vor vest- og nord- 

 kyst. Eiidvidere er den kjendt fra Grønland, Nordamerikas 

 østkyst, nordlige Atlanterhav, Færøkanalen, Irlands vest- 

 kyst, Biskayerbugten, Novaja Semlja og Sil)iriens isliavs- 

 kyster. Den bathymetriske udl)redelse er 30 — 1622 fv. 

 Fossil er den kjendt fra det nordlige Grenland. 



Locality, 



192, 195, 200, 225, 251, 259, 273, 312, 323, and 362. 

 Depth 100 — 1215 fathoms. The variety triUci occnrs to- 

 gether witli the princii>al form, the variety being the more 

 frequent in greater depths. 



B. feiiuicosfata is distribnted along the west and north 

 coasts of Norway. Otlier places of occurrence — Green- 

 land, east coast of N. America, North Atlantic. Faroe 

 Channel, west coast of Ireland, Bay of Biscay, Novaja 

 Semlja, and Arctic shores of Siberia. Bathynietrical dis- 

 tribution 30 — 1622 fathoms. Fossil in the nortii of 

 Greenland 



Bela ovalis, Friele. 



Pleitrofoina (bela) oralis, Friele, Nyt. Mag. f. Natnrvidensk., vol. 23, 1877. p. 9. fig. 5. 



Bela pygmæa, Verrill, Trans. Con. Acad., vol. 5, 1882. \). 460, Pl. 57, fig. 8. 



Flenrotoma exigua, Jeffreys, Proc. Zool. Soc, 1883, p. 399, Pl. 44, fig. 10. 



Bela oraVs. Friele. Nordhavs E.xp. Moll., vol. 2, 1886, p. 14, Pl. 8. fig. 21 & 22. Pl. 10, fig. 19. 



Findested. Stationerne 35. 40, 240, 283, 295 og 

 353. Dybde 658—1333 fv. 



Verrill har denne art fra New England, 312 — 1290 

 fv. „Triton-'expeditionen fandt den i Færøkanalen, 570 fv. 

 og „Caudan"expeditionen i Gascognerbugten, 919 fv. 



Locality. Stations 35. 40. 240 283, 295, 312, and 

 353. Depth 658—1333 fathoms. 



Verrill has this species from New England (312 — 

 1290 fathoms I, the -Triton' found it in the Faroe Channel 

 (570 fathoms). and the •Caiidan' in the Bay of Gascogu 

 (919 fatiioms). 



Bela bicarinata, Conthony. 



Pleurotoma hirariiiafa, Conthouy, 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. 

 Defranda ci/lindracea, livida & heclcii, Møller, Ind. Moll. GrønJ., 1842, p. 13 & 14. 



Bela bicarinata & violacea, G. 0. Sårs, Moll. Reg. Aret. Norv.. 1878, p. 237 & 238, Pl. 16, fig. 11 & 12, Pl 



& 3, Pl. IX, fig. 7 & 8. 

 _ _ Verrill, Trans. Con. Acad., vol. 5, 1882. p. 482, Pl. 57, fig. 16. 



— — Friele. Nordhavs Exp. Moll. vol. 2, 1886, p. 15, Pl. 8, fig. 18 & 19, Pl. 10, fig. 15 & 16. 



17, fig. 2 



Findested. Stationerne 79, 124, 164, 173 b, 192, 

 20(1, 251, 260. 290, 312, 359 og Magdalena Bay. Dybde 

 30—658 f v. 



Var. geminolineaia, Friele. 



Findested. Advent Bay, 5 fv. 



Dcnni' i iioi grad varierende art er udbredt langs 

 hele vor kyst. Bela bicarinata er forovrigt circumpolar. 

 Den bathymetriske ndbredelse er — 658 fv. Fossil fore- 

 kommer den ifolge Knipowitsch paa Murmankysten og 

 Spitsbergen. 



Locality. Stations 79, 124, 164, 173 b. 192, 200, 

 251, 260, 290, 312, and 359, and Magdalena Bay. Depth 

 30-658 fathoms. 



Var. rjeminolineata, Friele. 



Locality. Advent Bay (5 fathoms). 



This exceedingly variable species is distribnted all 

 along the Norwegian coast. Otherwise B. hiciiriruiUi is 

 circumpolar. Bathyinetrieal distribution — 658 fathoms. 

 According to Knii)owitseh,. it occurs as a fossil on the 

 Murman Coast and in Spitsbergen. 



