1857. 
1857. 
1858. 
1858. 
1358. 
1859. 
1859. 
1859- 
1863. 
1863. 
1865. 
1866. 
1867. 
1868. 
1868. 
1868. 
1869. 
1869. 
1869. 
1870. 
1870. 
1872. 
1873. 
1873. 
1874. 
1876. 
1876. 
1877. 
1877. 
1877: 
1877: 
1878. 
1878. 
1878. 
1878. 
1878. 
1878. 
1870. 
1881. 
1882. 
1882. 
1883. 
1883. 
1885. 
1885. 
1885. 
1885. 
1886. 
Margarita helicina Mac Anprew & Barrerr, Distr. Moll. Nordland & Finmark in Ann. & Mag. N. H 
2d Ser. XX, p. 267, 268, 270. 
— — Phipps, MürcH, Catal. Suenson, p. 52. 
— — Fabr., H. & A. Apams, Gen. of rec. Moll. I, p. 433, pl. XLIX, fig, 6, 6a, 6b Ge. 
— —  M.Sans, Arctiske Molluskf. Norges in Forh. Vidensk. Selsk., p. 46. 
Trochus helicinus —  Marw, Hafs Moll. in Güteborgs K. Vet. och Vitt. Samh. Handl. Ny Tidsf. 
FC TAIN EI p.28: 
Margarita helicina —  Danrærssen, Beretn. om en Zool. Reise, p. 27. 
Margarita helicinus Fabr., Sowers*, Il. Ind. Br. Sh. pl. XI, fig. 22. 
— helicina —  Cuenu, Manuel de Conch. I. p. 363, f. 2603. 
—- — —  Carrenter, Rep. Moll. W. Coast of N. Amer.in Br. Ass. f. Adv. of Sc. 
p. 585, 627, 653, 683. 
— — —  Mônron, Catal. Lassen p. 23. 
Trochus helicinus — Jerrreys, Brit. Conch. II p. 205 ; V. (1869) p. 207, pl. 61, fig. 4, 42. 
= — —  Jerrreys, Dredg. Hebrides in Ann. & Mag. N. H. 34 Ser. XVIII, p. 388. 
Margarita helicina —  Pacxarn, Glac. Phenom. in Mem. Boston Soc. N. H. I., p. 284. 
Trochus (Margarita) helicinus Fabr., Môrcx, Faunula Moll. Ins. Färôüens., p. 2r. 
— — helicina —  Môrcu, Faunula Moll. Islandiae in Vidensk. Meddel. p. 216. 
Margarita helicina Fabr., Corprau, Liste gén. Moll. viv. Belg. p. 14. 
—., —  Phipps, Môrcx, Catal. Moll. Spitzberg in Mém. Soc. Mal. Belg., p. 23, 
Trochus helicinus Jerrreys, Brit. Conch. V. p. 2o1, pl. 61, fig. 4, 42 (voyez aussi JErFREYS 1865). 
Margarita helicina Perir pe LA Saussaye, Cat. Test. mar. p. 113. 
— — Goucp & Binney, Inv. of Mass. p. 281, f. 542. 
Trochus (Margarita) helicinus WoonwarD, Man. de Conch. édit. franc, p. 276, pl. 10, fig. 17. 
Trochus helicinus Jerrrevs, Moll. of Europe and E. N. Amer. in Ann. & Mag. N. H. 4tb Ser.X, 
p. 243. 
Margarita helicina Fabr., Trvow, Amer. mar. Conch. p. 80, PE Res 
— — —  Wemkxaurr, Catal. Meeresconch. p. 40. 
Trochus helicinus —  Müôgrus in Zweite Deutsche Nordpolarfahrt, p. 249. 
— — —  Jerrreys, Moll. coll. at Spitzberg by Eaton in Ann. & Mag. N. H. 4th Ser. 
XVIII, p. 500. M 
Margarita helicina —  Frwre, Tungeb. hos de norske Rhipidoglossa #7 Arch. for Math. og 
Naturvid. p. 308, pl. 4, fig. 3a, 3b, 3c. 
Trochus helicinus —  Jerrrevs, Post- tert. foss. Arctic Exp. in Ann. & Mag. N.H. 4th Ser. XX. 
p. 240. 
— — — Norman, Ten days dredg. at Oban in Quart. Journ. of Conch. I, p. 280. 
Margarita helicina  —  Verkrüzen, Moll. from St-John's Newfoundland, p. 7. 
— — — Crosse, Moll. du Détr. de Behring in J. de Conch. XXV, p. 110. 
= — var. major Lecue, Novaja Semlja p. 42. 
— —  G.O. Sans, Moll. Reg. arct. Norv. p. 132, pl. IT, fig. 7, 8 (radula). 
— —  Fabr., Rezve, Conch. Icon. pl. IT f. 15. 
— arctica Leach, Reeve, Conch. Icon. pl. III f. 19. 
— helicina Fabr., Friee, Jan Mayen Moll. p. 4. 
— — —  VerkrÜzen, Zur Fauna von Neu Schottl. und Neufundland ## Jahrb. d. D. 
Mal Ges.V; p- 213: 
= — — Free, Catal. Spitzberg. Moll. in Jahrb. d. Mal. Ges. VL. p. 271. 
— — —  Vrerkrüzen, Bericht Neufundland ën Jahrb. d. Mal. Ges. VIII p. 06. 
Trochus (Margarita) helicinus Fabr., Cooke,Macandrew Collect. in Quart. Journ. of Conch. IT, p. 362. 
Margarita helicina Fabr., Van Linrx DE JEUDE, Moll. «Willem Barents», p. 3. 
— Tryo, Struct. and Syst. Conch. I, p. 315, pl. 8r f. 67. 
— — — Bus, Catal. Moll. Labrador in Bull. U. S. Nat. Mus. VI, p. 240. 
Trochus helicinus —  Darpisaire, Mar. Moll. at Oban in Journ. of Conch. IV, p.350. 
Margarita helicina : —  HERZENSTEN, Murmanküste p. 670. 
Eumargarita — —  P. Fiscuer, Manuel de Conch. p. 825 fig. 583 (radula), pl. X fig. 7. 
Margarita  — —  Krause, Moll. Fauna d. Beringsmeeres in Arch. f. Naturg. LI, p. 262. 
—  Srarre-ScaNeiber, Tromsôsundets Molluskf. in Tromsô Mus. Aarsheft. 
VIII, p. 102. 
