1869. 
1860. 
1870? 
1873. 
1873. 
1873. 
1874. 
1875. 
1876. 
1878. 
1878. 
1878. 
1870. 
1879. 
1880. 
1881. 
1881. 
1881. 
1882. 
1882. 
1883. 
1885. 
1886. 
1887. 
1887. 
1888. 
1888. 
1888. 
1889. 
1880. 
1890. 
1890. 
1890. 
1891. 
1892. 
1802. 
1892. 
1892: 
1803. 
1803: 
1893. 
1804. 
1894. 
1895. 
1896. 
1896. 
1896. 
Fusus gracilis Da C., P. Fischer, Suppl. faune Conch. Gironde, in Actes Soc. Linn. Bord. XXVII, 
P. 141. 
— — —  Perir DE LA Saussaye, Catal. test. mar., p. 160. 
— islandicus, Gouzp et Binney (non Chemnitz), Invert. of Massach., p. 371, fig. 638. 
Trophon (Sipho) Islandicus, S. Woon (non Chemnitz), Crag Moll., 2d suppl, p. 6, pl. mr, fig. 3a, 3b. 
Nepitunea (Sipho) gracilis Da C., Wenxaurr, Catal. europ. Meerésconch., p. 8. 
Fusus gracilis Da C., G.-O. Sars, Bidr. Dyrelivet Havbanker, p. 83, a7. j 
— — Mac Irosx, Moll. of St. Andrews in Ann. and Mag. of Nat. Hist. 4th Ser. XIII, 
p. 426. 
— — —  Lecxengy et Marsmarr, North Sea dredg. in Ann. and Mag. of Nat. Hist. 4th 
Ser. XVI, p. 303. 
Neptunea (Sipho) gracilis Da C., Koserr, Beitr. zur arct. Fauna in Jahrb. d. Malakoz. Ges. II, p. 165, 
pl. 4, fig. 1. 
—  gracilis Da C., P. Fiscmer, Distrib. géogr. Brach. et Moll. du litt. océan. de France, p. 22. 
—= — —  Kosezr, Illustr. Conchylienbuch, p. 37, pl. 6, fig. 2. 
Sipho gracilis Da C., VERkRÜZEN, Zur Fauna von Neu-Schotland und Neufundland i# Jahrb. d. deuts- 
chen Malakoz. Ges. V, p. 216. 
Fusus gracilis Da C., Sowergy, Thes. Conch. IV, p. 92, pl. vux (412), fig. 94. 
—  islandicus, SowerBy (ex parte, non Chemnitz), Thes. Conch. IV, p. or, pl. vur (412), fig. 03 
(tantum). 
—  gracilis Da C., Jerrreys, Deep Sea Moll. Bay of Biscay in Ann. and Mag. of Nat. Hist. 5th Ser. 
VI, p. 318. 
Sipho gracilis Da C., Tryo, Manual of Conch. Struct. a. Syst. III, p. 124, pl. 51, fig. 298, 200, 3rr. 
Neptunea (Sipho) gracilis Da C., Kosezr (ex parte), Die Gatt. Pyrula u. Fusus, in Syst. Conch. Cab. 
2e édit., p. 76, pl. 25, fig. 1 (tantum). 
— — — — Koperr, Catal. der Gatt. Neptunea, in Jahrb. d. Malakoz. Ges. VIII, 
Pi317. 
— — — —  Friëre, Norw. North-Atl. Exp. I, p. 12, pl. 1, fig. 198, r9b, 19° (sommets). 
Fusus gracilis Da C., Cooxe, Mac Andrew Collect. ir Journ. of Conch. III, p. 373. 
Sipho gracilis Da C., Tryon, Struct. and Syst. Conch. II, p. 138. 
Fusus gracilis Da C., GrAnGEr, Moll. de France I, p. 71. 
Neptunia gracilis Da C., Locarp, Prodr. de Malac. Franç., p. 175. 
Neptunea gracilis Da C., Koserr, Iconogr. der europ. Schalentrag. Meeresconch., p. 72, pl. 13, fig. 4. 
Sipho gracilis Da C., Partez, Catal. Conch. Sammil. I, p. 40. 
— — — Norman (ex parte), Mus. Normanianum IV, p. 10 (excl. var. glabra). 
Fusus gracilis Da C., Macaré, Catal. Collect., p. 37. 
Neptunea gracilis Da C., KoBeLT, Prodr. Faunæ Moll. tést. maria europ. inhab., p. 23. 
— — — Carus, Prodr. Faunæ medit., p. 400. 
Fusus gracilis Da C., Burkicz et Marsaazz, Mar. Sh. of Scilly in Journ. of Conch. VI, p. 56. 
— — —  Bourwe, Cruise of H. M. S. « Research » in Journ. of mar. Biol. Assoc. I, p. 313. 
— — —  Jorpan, On the genus Fusus, in Journ. of Conch. VI, p. 231. 
Nepiunia Nicolloni, Locaro, in l’'Echange, VII, p. 34. 
Sipho gracilis Da C., DaurzenserG, Contrib. Faune Golfe de Gascogne, p. 3. 
 Neptunia gracilis Da C., Locarn, Coq. mar. des côtes de France, p. 111. 
—  Nicolloni Locarp, Coq. mar. des côtes de France, p. 111. 
—  Islandica Locaro (non Chemnitz), Coq. mar. des côtes de France, p. 11, fig. 90. 
Fusus gracilis Da C., Warren, Mar. Moll. of Killala Bay in Journ. of Conch. VII, p. 106. 
— — — Bye, Mar. Moll. of Teignmouth in Journ. of Conch. VII, p. 186. 
— — —  Knicur, Mar. Moll. of Loch Linnhe in Journ. of Conch. VII, p. 237. 
— -— —  Marsxarr, Addit. to Brit. Conch. in Journ. of Conch. VII, p. 261 (var. belliana 
Jordan et var. coulsoni Jordan). 
Sipho gracilis Da C., Caasrer et HearacotE, Moll. of Oban in Journ. of Conch. VII, p. 293. 
Nepiunea gracilis Da C., Nosre, Contrib. para a Malac. Portug. i# Ann. de Sc. Nat., p. 136. 
Fusus gracilis Da C., LAmMEERE, Manuel Faune Belg., p. 240. 
Sipho gracilis Da C., TreceLLes, Mar. Moll. of Cornwall in Journ. of Conch. VIII, p. 216. 
Neptunea (Sipho) gracilis Da C., GrieG, Bidr. Vestlandets Mollusker, p. 22. 
Neptunia gracilis Da C., Locarp, Campagne du « Caudan » in Ann. Univ. Lyon, p. 149, pl. 5, fig. 4. 
