1870. Natica affinis Gmel., Friecr, Catal. Spitzberg. Moll. in Jahrb. d. Mal. Ges. VI, p. 272. 
1880. — — — Jerrreys, Occur. mar. Sh. in Quart. Journ. Geol. Soc. XXXVI, p. 354. 
1880? — — —  D’Ursaw, Zool. of Barents Sea in Ann. & Mag. N. H., 5th Ser. VI, p. 267. 
1881. —  clausa Br.etS., Verrizr, Recent Addit. Moll. N. Engl. in Proc. U. S..N. Mus., p. 408. 
1881. — — —  Verxrüzen, Bericht Neufundland in Jahrb. d. d. Malak. Ges. VIII, p. 06. 
1881. —  affinis Gmel:, Norman, Presidents Adress Tyneside Nat. Club, p. 54. 
1882. Lunatia clausa Br. et S., Dunxer, Ind. Moll. mar. Japon., p. 60. 
1882. Natica clausa Br. et S., van Lit De Jeux, Moll. « Willem Barents », p. 6. 
1883. — — — Bus, Catal. Moll. Labrador in Bull. U. S. Nat. Mus. VI, p. 230. 
1883. —  affinis Gmel., Jerrreys, « Triton» Moll. in P.Z.S. L., p. 307. 
1884. — — — Jerrrevs, Shells fr. Bridlington Quay ir Q. Journ. Geol. Soc: London, p. 310. 
1884. —  clausa Br.etS., Verriz, Second Cat. Moll. of New England in Trans. Conn. Acad. VI, part 
I, p. 268, 283. 
1885. — — —  Busn, Deep Water Moll.dredg. bythe « Fish Hawk» in Rep. Fish and Fisheries, 
P. 707. 
1885. — — — VERRILL, «Albatross» Expl. in Rep. Fish and Fisheries, p. 567. 
1885. — — — HerzensTeIN, Murmanküste, p. 677. 
1885. —  affinis Gmel., Jerrreys, «Lightn.» and « Porcup. » Exp. in P.Z.S. L., p. 05 
1885. —  clausa Br. et S., Aurivicius, Ofversigt arkt. Hafsmoll. « Vega» Exped., p. 331. 
1885. — — —- Krause, Moll. Fauna d. Beringsmeeres i# Arch. f. Naturg. LI, p. 266. 
1886. — — —  Sparre-Scaneiner, Tromsôsundets Molluskf., p. 3 et var. elatior G.-O.S. et 
var. zonata Leche. 
1886. — — — DE Guerwe, Le Varangerfjord, p. 15. 
1886. — afinis Gmel., Watson, « Challenger » Gasterop. XV, p. 430 (excel. syn. janthosioma Desh.). 
1886. —  clausa Br. et S., Trvon (ex parte), Man. of Conch. Str. and Syst. VIII, p. 30, pl. 9, fig. 65, 67, 
69 (tantum). 
1886. — — — Jonas Cozzin, Brach., Musl. og Snegle fra Kara Havet, p. 21. 
1886. — — — Prerrer, Im Karischen Meere ges. Moll., p. 8. 
1887 — — — Sowergy, Thes. Conch. V, p. 08, pl. 1v (457), fig. 48. 
1887. —- — — Pasrez, Catal. Conch. Sammil. I, p. 227 et var. consolidata Couth., janthostoma 
Desh., vittata Jeffr. 
1888. —  afinis Gmel., Kogerr, Prodr. Faunæ Moll. test. maria europ. inhab., p. 67. 
1888. —  clausa Br. et S., Norman, Mus. Normanianum IV, p. 17 et var. elatior Midd. 
1888. —  affinis Gmel., Norman, Mus. Normanianum IV, p. 7 et var. vittata Jeffr. 
TSS0 —  —  Carus, Prodr. Faunæ Medit., p. 302. 
1807. —  clausa Br.et S., Provancxer, Moll. prov. de Québec, p. 84. 
1801. — — — SPARRE-SCHNEIDER, Malangenfjordens Fauna in Tromsô Mus. Aarsheft 14, p. 92. 
1892. — — — Krause, Moll. v. Ostspitzbergen in Zool. Jahrb. VI, p. 352. 
1803. —  affinis Gmel., MarsnaLL, Addit. to Brit. Conch. in Journ. of Conch. VIT, p. 258. 
1893. —  clausa Br. et S., Busu, « Blake» Moll. in Bull. Mus. of Comp. Zool. XXII, p. 216. 
1805. —  affinis Gmel., PosseLT, Ôstgrônlandske Moll. in Meddelelser om Grônland XIX, p. &t. 
1806. — — — Grec, Bidr. Vestlandets Mollusker, p. 4, 18. 
1808. — — —  Possecr, Consp. Faunæ Groenl., p. 142. 
1900. — —  —  Mecviz & STANDEN, «Jackson Harmsworth» Exp. p. 8, 13 et var. septentrionalis 
Beck. 
1001. — (Lunatia) affinis Gmel., Cuasrer, Mezvicr, Knieur, Hoyre, List of Brit. mar. Moll. ir Journ. 
of Conch. X, p. 19 et var. elatior Müller. 
go. —  affinis Gmel., Gorpon, Our Country’s Shells, p. 128, pl. 23, fig. 376. 
IQO1. — —  — Free & Grec, Norw. North Atl. Exp. IT, p. 70. 
1901. — — —  Kniowrrsem, Russ. Exp. Spitzbergen in Ann. Acad. St Petersb. VI, p. 446. 
1902. — — — Frreces, Moll. der ersten Nordmeerfahrt, p. 5. 
Campagne 1887: Stn. 161, profondeur 1267 ”. Au large du banc de Terre- 
Neuve. 
Campagne de 1898: Stn. 922, profondeur 343 ". Près de la pointe Sud de la 
