o'donoghue : nudibranohiate mollusca. 147 



For some reason or other Bergh (11, p. 130) gives the founders of 

 this genus and species as Hancock and Embleton, and later also 

 Eliot (14, p. 166), while he ascribes the genus to Alder and Hancock, 

 puts the specific name F. nobilis down to Hancock and Embleton. 

 Both of these, as far as I can see, are slips, and Alder and Hancock 

 are responsible for both the specific and generic names. 



List of References. 



1. Alder & Hancock, " Descriptions of two new Species of Nudibranchiate 

 Mollusca, one of them forming the Type of a New Genus " : Ann. & Mag. 

 Nat. Hist., ser. ii, vol. viii, 1851, p. 291. 



2. Ibid., in Forbes and Hanley's " British Mollusca ", vol. iii, 1853, p. x. 



3. Ibid., " Fiona nobilis" : Mon. British Nudibr. Moll. [Ray Soc], pt. vii, 

 1855, pp. 52-53, Fam. 3, pi. 38a, App. xxiii. 



4. Bergh, R., " Anatomisk. Untersogelse af Fiona atlantica " : Vidensk. 

 Meddel. nat. Foren. Kjoben., 1857, p. 273. 



5. Ibid., " Contributions to a Monography of the genus Fiona " [a translation 

 of the preceding], 8vo, Copenhagen, 1859. 



6. Ibid., Journ. Mus. Godeffroy, Hft. ii, 1873, p. 87. 



7. Ibid., Verb. k.k. Zool.-bot. Gesell. Wien, Bd. xxiii, 1874, pp. 606-610. 



8. Ibid., " On the Nudibranchiate Gasteropod Mollusca of the North Pacific 

 Ocean, with special reference to those of Alaska " : Proc. Acad. Nat. Sci. 

 Philadelphia, 1879. 



9. Ibid., " Report on the Nudibranchiata " : Challenger Reports, Zoology, 

 vol. X (pt. xxvi), 1884. 



10. Ibid., " Die van Hasselt'schen Nudibranchien " : Notes Leyden Museum. 

 vol. ix, 1887. 



11. Ibid., " Die Opisthobranchien " from " Reports on the Dredging Opera- 

 tions off the West Coast of Mexico, and in the Gulf of California in charge of 

 Alexander Agassiz carried on by the U.S. Fish Commission Steamer ' Albatross ' 

 during 1891 " : BuU. Mus. Comp. Zool. Harvard, vol. xxv. No. 10, 1894. 



12. Casteel, D. B., " The Cell-lineage and Early Larval Development of 

 Fiona marina, a Nudibranchiate MoUusk " : Proc. Acad. Nat. Sci. Philad., 

 1904. 



13. Costa, Ann. Mus. zool. Napoli, iii, 1866 ; and iv, 1867. 



14. Eliot, C, " A Monograph of the Brit. Nudibr. Moll." : [Ray Soc], pt. viii, 

 Suppt., 1910. 



15. Eschscholtz, F., " Zoologischer Atlas, 1829-1823," Heft iv, 1831. 



16. Forbes & Hanley, " History of British Mollusca," vol. iii, p. x, 1853. 



17. Forskal, Descript. Animal., 1775, p. 99, Icon. Animal., xxvi, fig. G. 9. 



18. van Hasselt, J. C. (reported by Th. van Swinderen), " Bejdrage tot eene 

 schets van het leven, het karakter en de verdiensten van wylen Dr. J. C. 

 van Hasselt" in Genootschap ter bevordering der. naturr. hist. teGroningen : 

 Almanak der Akad van Groningen, xiii, 1825, pp. 1-67. 



19. Ibid., " Extrait d'une lettre du J. C. van Hasselt au Prof, van 

 Swinderen, sur les MoUusques de Java " : Bull. sc. nature et de geol., iii, 

 1824. And also " Extrait d'une lettre de van Hasselt, datee de Buitenzorg 

 (lie de Java), le 12 aout 1821, sur les Biophores " : Annales d. Sci. Nat., T. iii, 

 1824. 



20. Quoy et Gaimard, Voyage de . . . 1' Astrolabe. Zool., Tom. ii, 1832. 



VII. On Melibe (Chior^ea) leonina, GtOuld. 



This striking and interesting form was first described by Gould in 

 1852 (7, p. 310) from Puget Sound, and this account quoted by 



