— 4 2 3 — 



1860. Astarte arctica Gray, Reeve, Elem. of Conch. II, p. 114. 



[860. — lactea Brod. et Sow., Reeve, Elem. of Conch. II, p. 114. 



[860. — semisulcata Leach, Reeve, Elem. of Conch. II, p. 114. 



1862. — arctica Gray, Stimpson, Mar. Shells from Hudson's Bay in Proc. Acad. Nat. Se. of Phila- 



delphia, p. 97. 



[867. — islandica Deshayes mss. in Mus. Cuming, (teste Smith). 



1867. — semisulcata Leach, Packard, Glac. Phenom. in Mem. Boston Soc. N. H. I, p. 235. 



1868. — — — Môrch, Faunula Moll. Islandiae in Vidensk. Meddelelser, p. 222. 



1868. — (Tridonta) semisulcata Leach, Môrch, Faunula Moll. Ins. Farôens., p. 3i. 



1869. — — — — Môrch, Catal. Moll. Spitzberg in Mém. Soc. Malac. Belgique, 



p. 26. 



1869. — borealis Petit de la Saussaye (non Linné), Catal. Test, mar., p. 58. 



1870. — semisulcata Leach., Gould et Binney, Invert, of Massach., p. 121, fig. 47. 



1871. — — — Môrch, Synopsis Moll. mar. Daniae, p. 58. 



1872. — borealis Meyer et Môbius (non Linné), Fauna der Kielerbucht II, p. 95, fig. 1 à 4. 



1872. — — Jeffreys (non Linné|, Moll. of Europe and E. N. America in Ann. and Mag. Nat. 



Hist. 4< h Ser. X, p. 23g. 

 [872. — corrugata Brown, Schmidt, Mammuth Exp. in Mém. Acad. S' Pétersb. VII« Sér. XVIII, 



p. 64. 

 1872. — lactea Brod. et Sow., Dawson, Postplioc. Geol. of Canada, pi. VII, fig. 3. 



1872. — — — Whiteaves, Dredg. around Anticosti in Ann. and Mag. Nat. Hist. 4'h 



Ser. X, p. 349. 

 [873. — borealis Tryon (non Linné), Amer. mar. Conch., p. 1 63, pi. 3o, fig. 407. 



374. — arctica Gray, Sowerby in Reeve, Conch. Icon., pi. III, fig. 21a, 21b. 



1874. — lactea Brod. et S., Sowerby in Reeve, Conch. Icon., pi. III, fig. 18. 



1873. — borealis Jeffreys (non Linné), Reply to Prof. Verrill's Remarks on Moll. of Europe and E. N. 



America in Ann. and Mag. of Nat. Hist. 4 th Ser. XI, p. 376. 



1873. — — — Môbius (non Linné), On the Invertebrate Animais of the Baltic in Ann. and 



Mag. of Nat. Hist. 41 1» Ser. XII, p. 84. 



1874. — semisulcata Leach, Sowerby ik Reeve, Conch. Icon., pi. II, fig. 12. 

 1874. — producta Sowerby in Reeve, Conch. Icon., pi. III, fig. 19. 



1S74. — subtrigona Sowerby in Reeve, Conch. Icon., pi. III, fig. 20. 



1874. — borealis Môbius (non Linné), Zweite deutsche Nordpolarfahrt, p. z5i. 



1875. — (Tridonta) semisulcata Leach, Môrch in Jones, Prodr. Faunae Moll. Groenl. in Manual of 



N. H., p. i32. 

 1877. — semisulcata Leach, E. A. Smith, Moll. Arctic Exp. in Ann. and Mag. of Nat. Hist. 4 th Ser. 



XX, p. .42. 

 1877. — — — Môrch in Rink, Dan. Greenland, p. 441. 



1877. — borealis Jeffreys (non Linné), Moll. Arctic Exp. in Ann. and Mag. of Nat. Hist. 4 th Ser. XX, 



p. 233. 

 [877. — — Feilden (non Linné), Post-tert. beds of Grinnell Land and N. Greenland, in Ann. 



and Mag. of Nat. Hist. 4>h Ser. XX, p. 485, 486, 487, 488. 

 1S77. — — Jeffreys (non Linné), Post-tert. beds of Grinnell Land and N. Greenland — Note in 



Ann. and Mag. of Nat. Hist. 4'h Ser. XX, p. 490. 

 [878. — semisulcata Leach, Lèche, Nov. Semlja, p. 19. 



1878. — (Tridonta) borealis Kobelt (non Linné), Illustr. Conchylienbuch, p. 354, pi. io3, fig. 14. 

 1878. Tridonta borealis G. O. Sars (non Linné), Moll. Reg. arct. Norv., p. 5o, pi. 5, fig. 8 a , 8 b . 



1880. Astarte — d'Urban (non Linné), Zool. of Barents Sea in Ann. and Mag. of Nat. Hist. 5'h Ser. 



VI, p. 266. 

 ii. — — Smith (non Linné), Obs. gen. Astarte in Journal of Conch. III, p. 216. 



i883. — semisulcata Leach, Lèche, uVega» Exped. Lamellibranchiata, p. 441, pi. 32, fig. 5, 6 (var. 



y rhomboidalis) ; pi. 34, fig. 35, 36 (var. placenta). 



i883. — artica Gray, Bush, Catal. Moll. Labrador in Bull. U. S. Nat. Mus. VI, p. 243. 



1884. — borealis Jeffreys (non Linné), Shells from Bridlington Quay in Quart. Journ. of the Geol. 



Soc, p. 319. 

 i885. — — var. semisulcata Leach, Krause, Moll. Fauna d. Beringsmeeres in Arch. f. Naturg. 



LI, p. 3o. 



