22Ô 



i857- Natica affinis Gmel., Môrch, Catal. Suenson, p. 5i. 



!858. — clausa Br. et S., H. & A. Adams, Gen. ofrec. Moll. I, p. ao5. 



i858. — — — M. Sars, Arctiske Molluskf. Norges in Forh. Vidensk. Selsk., p. 42. 



i85g. — — — Jeffreys, Further Gleanings in Br. Conch. in Ann. & Mag. N. H., 3<* Ser. III, 



p. 1 1 3 . 

 i85g. — — — Danielssen, Beretn. om en Zool. Reise, p. 3i. 



i85g. — — — Forbes & Godwin-Austen, Natur. Hist. of the Eur. Seas, p. 4g, 53, 54, 290. 



1860. — affinis Gmel., Môrch, Naturh. Tillaeg af Groenland, p. 80. 

 i863. — clausa Br. et S., Carpenter, Rep. Moll. W. Coast of N. Amer, in Rep. Br. Ass. f. adv. of Se, 



p. 523, 53g, 5S5, 661, 683. 

 i863. — — — M. Sars, Geol. og Zool. Jagtt., p. 8. 



1866. — — — Carpenter, Pleistoc. fossils in Ann. & Mag. N. H., 3J Ser. XVII, p. 275. 



1867. Nerita affinis Gmel., Jeffreys, Brit. Conch. IV, p. 22g. 



1867. Natica clausa Br. et S., Schrenck, Reisen im Amur-Lande II, p. 373. 



1867. — — — Packard, Glac. Phenom. in Mem. Boston Soc. N. H. I, p. 232, 285. 



1868. — affinis Gm., Môrch, Faunula Moll. Ins. Fâroens., p. 16. 



1868. — — — Môrch, Faunula Moll. Islandias in Vidensk. Meddel., p. 208. 



1868. — — — Môrch, Oversigt of Islands Blôddyr, p. 24. 



1868. — — — M. Sars, Forts. Bemaerk. in Vidensk. Selsk. Forh., p. 258. 



1869. — — — Jeffreys, Brit. Conch. V, p. 2i5, pi. en, fig. 3. 



186g. — clausa Br. et S., Môrch, Catal. Moll. Spitzberg in Mém. Soc. Mal. Belg. IV, p. 16 (var. tenuis). 



1869. — — — Petit de la Saussaye, Cat. test. mar. p. io5 (incl. affinis). 



1870. — — — Gould, Inv. of Mass., p. 343, fig. 612. 



1870. — affinis Gmel., Jeffreys, Norw. Moll. in Ann. & Mag. N. H., 4'h Ser. V, p. g. 



1870. — — — G.-O. Sars, Christianiafj. Fauna II, p. 57. 



1871. — — — G.-O. Sars, Hardangerfj. Fauna in Vidensk. Selsk. Forh., p. 8. 



1872. — clausa Br. et S., Dawson, Post-Plioc. Geol. of Canada in Canadian Naturalist, new Ser. VI, 



p. 24g. 

 1872. — — — Schmidt, Mammuth Exp. in Mém. Acad. S 1 Pétersb. Vile Série XVIII, p. 52. 



1872. — — — Jeffreys, Moll. of Europe and E. N. America in Ann. & Mag. N. H., 41b Ser. 



X, p. 244. 



1872. — affinis Gmel., Brôgger, Bidr. Kristianiafj. Molluskf., p. 8, 14. 



1873. — — — Jeffreys, Moll. of Europe and N. America in Ann. & Mag. N. H., 4<h Ser. XI, 



p. 3 77 . 

 1873. — — — Tryon, Amer. mar. Conch., p. 68, pi. ix, fig. 94. 



1873. — — — Weinkauff, Catal. Meeresconch., p. 14. 



1873. — clausa Br. et S., Verrill, Dredg. Exp. N. Engl. in Amer. Journ. Se. a. Arts 3<* Ser. VI, p. 440. 



1874. — — — Môbius, Zweite Deutsche Nordpolarfahrt, p. 25o. 



1874. — — — Verrill, Dredg. Coast N. Engl. in Amer. Journ. Se. a. Arts 3 d Ser. VII, p. 412. 



1874. — — — Verrill & Smith, Invert. Anim. of Vineyard Sound, p. 225, 353. 



1874. — — — Dunker & Metzger, Drei neue Meeres-Conch. d. norw. Fauna in Jahrb. d. 



Malak. Ges. I, p. i5o. 



1877. — affinis Gmel., Jeffreys, «Valorous» Exp. in Ann. & Mag. N. H., 41b- Ser. XX, p. 3 18. 



1877. — — — Jeffreys, Adress Biol. Sect. Brit. Assoc, p. 3. 



1877. — — — Verkrûzen, Moll. from S' John's Newfoundland, p. 8. 



1877. — clausa Br. et S., Crosse, Moll. du détr. de Behring in J. de C. XXV, p. 110. 



1877. — affinis Gmel., E.-A. Smith, Moll. arctic Exp. in Ann. & Mag. N. H., 4^ Ser. XX, p. i38. 



1878. — clausa Br. et S., G.-O. Sars (ex parte). Moll. Reg. arct. Norv., p. i5g, pi. 21, fig. i3 — (excl. 



fig. i2«, 12b); p. 160 (var. elatior Middend., pi. 12, fig. i*, ib, ic). 

 1878. — affinis Gmel., G.-O. Sars, Moll. reg. arct. Norv., p. 160, pi. 21, fig. 14^, 14b; pi. v, fig. 16 (radula). 

 1878. — clausa Br. et S., Lèche, Novaja Semlja, p. 4g. 

 1878. — affinis Gmel., Friele, Jan Mayen Moll., p. 5. 

 1878. — — — Kobelt, Illustr. Conchylienb., p. 80, pi. 3o, fig. 4. 



1878. — — — Verkrûzen, Zur Fauna von Neu-Schotl. und Neufundl. in Jahrb. d. d. Malak. 



Ges. V, p. 214. 



1878. — — — Monterosato, Enum. e Sinon., p. 36. 



1879. ~" — — Norman, Moll. of Bergen Fjords in Journ. of Conch. II, p. 28, 74. 



