1844! 
1844. 
1844. 
1846. 
1846. 
1846. 
1848. 
1840. 
1849. 
1850. 
1851. 
1851. 
1851. 
1851. 
1851. 
1853. 
1853. 
1854. 
1855. 
1855. 
1855. 
1856. 
1856. 
1857. 
1857. 
1857. 
1857. 
1857. 
1857. 
1857. 
1857. 
1858. 
1858. 
1858. 
1850. 
1859. 
1850. 
1860. 
1863. 
1863. 
1865. 
1866. 
1867. 
1868. 
1868. 
1860. 
1869. 
1870. 
1870. 
1871. 
— 382 — 
Modiola discrepans BrowN (non Mtg.), Ill. Conch. Gr. Br. & Irel. 2e Edit., p. 78, pl. XXVII, f. 8. 
— — Pxizrppr (non Mtg.), Nachtr. z. Enum. Moll. Sic. in Zeitschr. f. Malak., p. 102. 
—  nigra Gray, Trorre, Br. mar. Conch., p. 240, pl. 4, fig. 58 (mala). 
Modiolaria nigra Gray, Lovén, Ind. Moll. Scand., p. 33. 
Crenella nigra Gray, Kinc, Sh. Northumb. a. Durh. ## Ann. and Mag N. H. XVII, p. 230. 
Modiola —  — Hancock, Shells of Davis’s Strait in Ann. & Mag. N. H. XVIII, p. 334. 
— — —  Arner, Catal. Moll. North. & Durham, p. 81. 
Crenella  — — Forges & Hanrey, Brit. Moll. Il, p. 202, pl. XLIV, f. 5 & pl. Q, fig. 7, 
(animal.). 
Modiolaria discors Minnenporrr (non Linné), Malac. Rossica III, p. 15, pl. XII, fig. rt, 12. 
Crenella discors Forges (non Lin.), Infra-litt. distr. mar. Inv. in Rep. Br. Ass., p. 236. 
Modiolaria striatula Becx in GarmarD, Voy. de la «Recherche», p. 208, pl. 17, fig. ra-1l. 
Crenella (Lanistina) nigra Gray, List of Brit. Anim. in the Br. Mus., p. 121. 
Mytilus pectinulus Srimpson (non Gould), Shells of N. Engl., p. 11. 
—  discrepans SrimPson, Shells of N. England, p. 12. 
Modiolaria nigra Gray, Sars, Beretn. Zool. Reise 17 Nyt Mag. for Naturvid. VI, p. 175. 
— — —  Môrcon, Catal. Yoldi II, p. 55. 
Mytilus discrepans Srimrsow, Inv. of Gr. Manan, p. 21. 
Crenella nigra Gray, M’Anprew, Geogr. Distr. test. Moll., p. 6, 7, 11, 44. 
Modiola — —  Reeve in Bercuer, Last arct. Voy. Il, p. 397. 
Crenella — —  CLark, Brit. mar. test. Moll., p. 63. 
— —  —  Marm, Malak. Bidr. Skand. Fauna in Gôteborgs Vet. och Vitt. Samh. Hand. 
Ny Tidsf. Heft III, p. 17. 
— — —  M'Axprew, Rep. N. E. Atl. Moll. :7 Rep. Br. Ass., p. 111, 142. 
— — — Mac AnDrew & BarreTT, Moll. obs. betw. Drontheim & the North Cape in 
Ann. & Mag. N. H. 2d Ser. XVII, p. 383. 
Modiola  — —  R&eve, Conch. Icon., pl. IX, f. 62. 
Modiolaria nigra Gray, MôrcH, Naturh. Tillaeg Groenland, p. 03. 
Modiola nexa Gld., Reeves, Conch. Icon., pl. IX, f. 67. 
Crenella nigra Gray, Mrs. E. Gray, Fig. of Moll. Anim. V, pi. 360, fig. 2. 
Modiolaria nigra Gray, Môrcx, Prodr. Faunae Groenl., p. 21. 
— — — Môrcx, Catal. Suenson, p. 52. 
— —  — CarPrenTer, Rep. Moll. W. Coast. of N. Amer. in Rep. Br. Ass. f. Adv. of Se., 
p. 218, 221. 
Crenella — — Mac Anprew & BarreTT, Distr. Moll. Nordland & Finmark in Ann. & Mag. 
N. H. 2d Ser. XX, p.269, 270, 272. 
Crenella (Modiolaria) nigra Gray, H. & A. Apams, Gen. of rec. Moll. II, p. 515. 
— nigra Gray, M. Sars, Arctiske Molluskfauna in Forh. Vidensk. Selsk., p. 55. 
— —  —  Marm, Hafs Moll. ën Gôteborgs k. vet. och Vitt. Samh. Handl. Ny Tidsf. 
Heft IV, p. 20. 
— — —  Sowery, Ill. Ind. Br. Sh., pl. VII, f. 12. 
— —  —  Torezz, Bidr. Spitz. Molluskf., p. 130. 
— —  — DanrELsseN, Beretn. om en zool. Reise, p. 19. 
Modiola (Crenella) nexa Gould, Rezve, Elem. of Conch. IT, p. 73; p. 120, f. 173. 
Modiolaria nigra Gray, Jerrreys, Br. Conch. II, p. 128; V (18609), p. 171, pl. XXVIIT, f. 4. 
— — —  CarPenTER, Rep. Moll. W. Coast. of N. Amer. in Rep. Br. Ass. f. Adv. of Sc., 
p. 585. 
Crenella —  —  J. G. Woo, Common Shells of the Sea Shore, p. 76, pl. V, fig. 13. 
Modiolaria —  —  Jerrreys, Dredg. Hebrides ir Ann. & Mag. N. H. 34 Ser. XVIII, p. 388. 
— — —  Scxrencx, Reisen in Amur-Lande, p. 495. 
— — —  Môrcx, Faunula Moll. Islandiae in Vidensk. Meddel., p. 224. 
— — —  Môrcx, Faunula Moll. Ins. Färôens., p. 32. 
— — —  Perir pe LA Saussaye, Cat. Test. mar., p. 70. 
— —  —  Môrcx, Catal. Moll. Spitzberg in Mém. Soc. Mal. Belg. IV, p. 30. 
— — —  Gouzn & Binney, Inv. of Mass., p. 1015, f. 488. 
— nexa Gould, Gouzp & Bixney, Inv. of Mass., p. 101, f. 487. 
— nigra Gray, Môrcx, Synops. Moll. mar. Daniae, p. 63. 
