— 4 d — 



857- Pleurotoma violacea Migh. et Ad., Môrch, Catal. Suenson, p. 52. 



858. Mangelia violacea Migh. et Ad., M. Sars, Arctiske Molluskf. Norges. in Forh. Vidensk. Selsk., p. 41. 



858. Bêla violacea Migh. et Ad., H. et A. Adams, Gênera of rec. Moll. I, p. 92. 



85q. Pleurotoma violacea Migh. et Ad., Danielssen, Beretn. om en Zool. Reise, p. 35. 



866. Bêla violacea Migh. et Ad., Troschkl, Das Gebiss der Schnecken II, p. 43, pi. iv, fig. 1. 



867. — — — Packard, Glac. Phenom. in Mem. Boston Soc. N. H. I, p. 233, 287. 



868. Pleurotoma (Bêla) violacea Migh. et Ad., Môrch, Faunula Moll. Islandiae in Vidensk. Meddel., p. 2i5. 



868. — — — — M. Sars, Forts. Bemaerk. in Vidensk. Forh., p. 259. 



869. — — — — Môrch, Catal. Moll. du Spitzberg in Mém. Soc. Malac. Belg. 



IV, p. 22. 



870. — — — — A. Bell, On the Crag Fauna in Ann. and Mag. ofNat. Hist. 



4 th Ser. VII, p. 357. 

 870. Bêla violacea Migh. et Ad., Gould et Binney, Invert, of Massaeh., p. 353, fig. 622. 



872. Pleurotoma violacea Migh. et Ad., Jeffreys, Moll. of Europe and E. N. America in Ann. and Mag. of 



Nat. Hist. 4' 11 Ser. X, p. 244. 



873. Bêla violacea Migh. et Ad., Tryon, Amer. mar. Conch., p. 5o, pi. 8, fig. 85. 



873. — — — Weinkauff, Catal. europ. Meeresconch., p. 10. 



874. Pleurotoma bicarinata Couth., Verrill et S. I. Smith, Invert. Anim. of Vineyard Sound, p. 344, pi. 



xxi, fig. 106. 

 877. — (Bêla) violacea Migh. et Ad., E. A. Smith, Moll. Arctic. Exp. in Ann. and Mag. of Nat. 



Hist. 4'h Ser. XX, p. i32. 



877. Bêla violacea Migh. et Ad., Verkrùzen, Moll. from St. John's Newfoundland, p. 8. 



878. — — — Kobelt, Illustr. Conchylienbuch, p. 98. 

 878. — — — Lèche, Novaja Semlja, p. 56. 



878. — — — G.-O. Sars, Moll .Reg. arct. Norv., p. 238, pi. 17, fig. 2; var. lœvior : fig. 3. 



878. — bicarinata Couth., G.-O. Sars, Moll. Reg. arct. Norv., p. 237, pi. xvi, fig. n, 12. 



879. Bêla bicarinata Couth. var. violacea Migh. et Ad., Norman, Moll. of Bergens Fjords in Journ. of Conch. 



II, p. 58. 

 881. — violacea Migh. et Ad. Verrill, Rec. Addit. Moll. New England in Proc. U. S. Nat. Mus., p. 406. 



881. — — — Verkrùzen, Bericht Neufundland in Jahrb. d. Malakoz. Ges. VIII, p. 96. 



882. — bicarinata Couth., Verrill, Catal. mar. Moll. in Trans. Connect. Acad. V, p. 481, 483, pi. lvii, 



fig. 16, 16* (var. violacea). 



883. — — — Bush, Catal. Moll. Labrador in Proc. U. S. Nat. Mus. VI, p. 238. 



884. — — — Tryon, Manual of Conch. Struct. a. Syst. VI, p. 214, pi. 28, fig. 32, 33, 34. 



885. — violacea Migh. et Ad., Aurivillius, Ôvers. « Vega » Exp., p. 347. 

 885. — — — Herzenstein, Murmankùste, p. 691. 



885. — — — Krause, Moll. Fauna d. Beringsmeeres in Arch. f. Naturg. LI, p. 277. 



886. — — — de Guerne, Le Varangerfjord, p. 16. 



886. — — — Sparre-Schneider, Tromsôsundets Molluskfauna II, p. 33. 



886. — bicarinata Couth., Sparre-Schneider, Tromsôsundets Molluskfauna II, p. 32. 



886. — — — Friele Norw. North Atl. Exp., p. i5, pi. vin, fig. 18, 19; pi. x, fig. i5, 16. 



886. — violacea Migh. et Ad., Aurivillius, Hafsevert. fran Nordlig Tromsô, p. 21, 34. 



887. — — — Paetel, Catal. Conch. Samml. I, p. 76. 



887. — — — Weinkauff et Kobelt, Die Familie Pleurotomidœ, in Conch. Cab. 2«édit., 



p. i5i,pl. 32, fig. 3, 4. 



888. — . ■ — — Kobelt, Prod. Faunœ Moll. test, maria europ. inhab., p. i32. 

 888. — bicarinata Couth., Norman, Mus. Normanianum IV, p. g. 



8gi. — — — Provancher, Moll. Prov. de Québec, p. 79, pi. m, fig. 1. 



891. — violacea Migh. et Ad., Provancher, Moll. Prov. de Québec, p. 79. 



8qi. — — — Sparre-Schneider, Malangenfjordens Fauna in Tromsô Mus. Aarsheft 14, 



p. 95. 



892. — — — Krause, Moll. v. Ostspitzbergen i>ï Zool. Jahrb. VI, p. 354. 



895. — — — Posselt, Ostgronlandske Moll. in Meddel. om Gr0nland XIX, p. 82. 



898. — bicarinata Couth. var. violacea Migh. et Ad., Posselt, Conspect Faunae Groenl., p. i56. 

 goi. — bicarinata Couth., Knipowitsch, Russ. Exp. Spitzbergen in Ann. Acad. St-Petersb. VI, p. 485 et 



var. violacea. 



901. — — — Friele et Grieg, Norw. North. Atl. Exp. III, p. 92. 



902. — — — Friele, Moll. der ersten Nordmeerfahrt, p. 6. 



