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212 PROGiJEDINGS OF THE MALACOLOGICAL SOCIETY. 



Family FIONIDiE. 

 Genus Fiona, Forbes & Hanley, 1851. 

 Fiona, Forbes & Hanley, Hist. Brit. Moll., pts. xli and xlii, vol. iii 

 (Contents, p. x, note), Sept. 1, 1851. 

 New name for Oithona, Forbes & Hanley, ex A. & H. MS. 

 Type by monotypy, 0. nobilis, Forbes & Hanley, ibid. 

 Oithona, ibid., vol. iii, p. 589, ibid. 



Oithona,' k. & H., Ann. & Mag. Nat. Hist., ser ii, vol. viii, p. 290, 

 Oct. 1, 1851. 

 T5rpe by monotypy, 0. nobilis, nov. 

 Not Oithona, Baird, Zoologist, 1843, p. 59. 

 HymencBolis, Achille Costa, Ann. Mus. Zool. Napoli, An. iii, " 1863," 

 pref. Dec. 15, 1866, pp. 64r-80 ; An. iv, " 1864," pref. Dec. 1867, 

 p. 28. 



Type by monotypy, H. elegantissima, p. 29, pi. i, figs. 1-3. 



FIONA PINNATA, Eschscholtz, 1831. 



Eolidia pinnata, Eschsctioltz, Zoolog. Atlas, Heft 4, p. 14, pi. xix, 



fig. 1, 1831 : Sitka, North- West America. 

 Fiona marina, auctt., ex Liinax marinus, Forskal. 

 Doris fasciculata, Gmelin, Linn. Syst. Nat., ed. 13, vol. i, pt. 6, 



p. 3104, May 14, 1791 ; based solely on Limax marinus, 



Forskal, Fn. Arab., p. 99, n. 3, anim. t. 26, fig. 5. 

 Not Doris fascicvMa, 0. F. Muller, Zool. Dan. Prodr., p. 229, 



1776. 

 ? Eolidia alba, Hasselt, Alg. Konst. & Letter-Bode, 1824 (2), p. 23, 



Jan. 1824 (Bull, des Sci. Nat., vol. iii, p. 239, 1824) : Java. 

 JEolis longicauda, Quoy & Gaimard, Vov. Astrol., Zool., vol. ii, 



p. 183, 1832. 

 Oithona nobilis, Forbes & Hanley, Hist. Brit. Moll, pts. Ixi and Ixii, 



vol. iii, p. 589, Sept. 1, 18*51, ex "Alder & Hancock MS." : 



Falmouth. 

 Oithona nobilis, A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. viii, 



p. 291, Oct. 1, 1851 : Falmouth. 

 " Fiona nobilis, Hancock & Embleton," auctt. 

 Fiona atlantica, Bergh, Vidensk. Meddel. Nat. Foren. Kjoben., 



1857, p. 273. 

 Hymenaolis elegantissima, Achille Costa, Ann. Mus. Zool. Napoli, 



An. iii, " 1863," pref. Dec. 15, 1866, pp. 64r-80 ; An. iv, " 1864," 



pref. Dec. 1867, p. 29, pi. i, figs. 1-3 : Naples. 

 Fiona marina, var. pacifica, Bergh, Proc. Acad. Nat. Sci. Philad., 



1879, p. 85. 

 Fiona nobilis, A. & H., Mon., Fam. 3, pi. xxxviiiA, pt. 7, 1855. 



marina, Forskal, Conch. Soc. List, p. 18 ; Eliot, p. 166. 



[Strictly speaking, Forskal was not a binomialist ; his papers 

 edited and published after his death show this clearly when the 

 vertebrates are studied, but not so clearly in the invertebrates. 



