1857. 
1858. 
1858. 
1859. 
1866. 
1867. 
1868. 
1868. 
1869. 
1870. 
1870. 
1872. 
1873. 
1873. 
1874. 
1877. 
1877. 
1878. 
1878. 
1878. 
1878. 
1879. 
1881. 
1881. 
1882. 
1883. 
1884. 
1885. 
1885. 
1885. 
1886. 
1886. 
1886. 
1886. 
1886. 
1887. 
1887. 
1888. 
1888. 
1891. 
1891. 
1891. 
1892. 
1895. 
1898. 
Igor. 
1901. 
1902. 
— 45 — 
Pleurotoma violacea Migh. et Ad., Mürcx, Catal. Suenson, p. 52. 
Mangelia violacea Migh. et Ad., M. Sans, Arctiske Molluskf. Norges. in Forh. Vidensk. Selsk., p. 41. 
Bela violacea Migh. et Ad., H. et A. Anams, Genera of rec. Moll. E, p. 92. 
Pleurotoma violacea Migh. et Ad., Danrecssen, Beretn. om en Zool. Reise, p. 35. 
Bela violacea Migh. et Ad., TroscHez, Das Gebiss der Schnecken II, p. 43, pl. 1v, fig. r. 
— — — PackarDp, Glac. Phenom. in Mem. Boston Soc. N. H. I, p. 233, 287. 
Pleuroioma (Bela) violacea Migh. et Ad., Môrcx, Faunula Moll. Islandiæ 17 Vidensk. Meddel., p. 215. 
— — — — M. Sars, Forts. Bemaerk. i# Vidensk. Korh., p. 250. 
— — — — Môrcx, Catal. Moll. du Spitzberg in Mém. Soc. Malac. Belg. 
IV, p. 22. 
= en — = À. Bec, On the Crag Fauna in Ann. and Mag. of Nat. Hist. 
4th Ser. VII, p. 357. 
Bela violacea Migh. et Ad., Gourp et Binney, Invert. of Massach., p. 353, fig. 622. 
Pleurotoma violacea Migh. et Ad., Jerrreys, Moll. of Europe and E. N. America in Ann. and Mag. of 
Nat. Hist. 4th Ser. X, p. 244. 
Bela violacea Migh. et Ad., Tryo, Amer. mar. Conch., p. 50, pl. 8, fig. 85. 
— — — WEInkAUFFr, Catal. europ. Meeresconch., p. 10. 
Pleurotoma bicarinata Couth., Verriz et S. I. Smrru, Invert. Anim. of Vineyard Sound, p. 344, pl. 
xxI, fig. 106. 
— (Bela) violacea Migh. et Ad., E. A. Smirm, Moll. Arctic. Exp. in Ann. and Mag. of Nat. 
Hist. 4th Ser. XX, p. 132. 
Bela violacea Migh. et Ad., VerkrüzeN, Moll. from St. John's Newfoundland, p. 8. 
— — — KorerT, Illustr. Conchylienbuch, p. 98. 
— — — Lecue, Novaja Semlja, p. 56. 
— — — G.-O. Sars, Moll .Reg. arct. Norv., p. 238, pl. 17, fig. 2; var. lœvior : fig. 3. 
— bicarinata Couth., G.-O. Sars, Moll. Reg. arct. Norv., p. 237, pl. xvi, fig. 11, 12. 
Bela bicarinata Couth. var. violacea Migh. et Ad., Norman, Moll. of Bergens Fjords in Journ. of Conch. 
Ip 8 
—  yiolacea Migh. et Ad. VERT Rec. Addit. Moll. New England in Proc. U.S. Nat. Mus., p. 406. 
— — —  VerkrüzEN, Bericht Neufundland #7 Jahrb. d. Malakoz. Ges. VII, p. 96. 
— bicarinata Couth., Verrizz, Catal. mar. Moll. in Trans. Connect, Acad. V, p. 481, 483, a LVIT, 
fig. 16, 162 (var. violacea). 
— — — Busx, Catal. Moll. Labrador in Proc. U. S. Nat. Mus. VI, p. 23 
— — — one Manual of Conch. Struct. a. Syst. VI, p. 214, pl. 28, fig. 
— wiolacea Migh. et Ad., Aurivicius, Overs. « Vega» Exp., p. Ban 
— — — HEerzENsTEIN, Murmanküste, p. Gor. 
— — — KraAuse, Moll. Fauna d. Beringsmeeres in Arch. f. Naturg. LI, p. 277. 
— — DE GUERNE, Le Varangerfjord, p. 16. 
— — — SPARRE-SCHNEIDER, Iromsôsundets Molluskfauna II, p. 33. 
—  bicarinata Couth., SPARRE-ScHNeIDER, Tromsüsundets Molluskfauna IT, p. 32. 
— — —  FreLe Norw. North Atl. Exp., p. 15, pl. vu, fig. 18, 10; pl. x, fig. 15, 16. 
—  violacea Migh. et Ad., Aurivicrius, Hafsevert. fran Nordlig Tromsü, p. 21, 34. 
— — — PazreL, Catal. Conch. Samml. I, p. 76. 
— == — WEinkaAUFFr et KoBeT, Die Familie Pleurotomidæ, in Gonch. Cab. 2e édit., 
PAT ID tie 4e 
— — — Kogzezr, Prod. Faunæ Moll. test. maria europ. inhab., p. 132. 
— bicarinaia Couth., Norman, Mus. Normanianum IV, p. 9. 
— — —  Provancner, Moll. Prov. de Québec, p. 79, pl. nx, fig. 1. 
— violacea Migh. et Ad., Provancmer, Moll. Prov.de Québec, p. 70. 
— — — SPARRE-SCHNEIDER, Malangenfjordens Fauna 27 Tromsô Mus. Aarsheft 14, 
p. 95. 
— — — Krause, Moll. v. Ostspitzbergen in Zool. Jahrb. VI, p. 354. 
= — — PossELT, Ostgrgnlandske Moll. ir Meddel. om Gigaland XIX, p. 82. 
— bicarinata Couth. var. violacea Migh. et Ad., Possezr, Conspect Faunæ Groenl., p. 156. 
— bicarinata Couth., Knrrowrrscm, Russ. Exp. Spitzbergen i7 Ann. Acad. St- Rerersb, VI, p. 485 et 
var. violacea. 
_— +: — — Free et GrixG, Norw. North. Atl. Exp. III, p. 92. 
— — —  Friece, Moll. der ersten Nordmeerfahrt, p. 6. 
38. 
32; 33, 34; 
