IREDALE & o'dONOGHUE : BRITISH NUDIBRANCHIATE MOLLUSCA. 213 



Limax marinus, Forskal, Descr. Anim., p. 99, 1775, is antedated by 

 Limax marinus, Gunnerus, Slcrift. Kjob. Selsk., vol. x, p. 170, 1770.] 



Family ZEPHYEINID.E. 



Genus Janolus, Bergh, 1884. 



Janolus, Bergh, Kept. Sci. Eesults Challenger, Zool., vol. x, p. 18, 

 1884. 



Type by monotypy, J. australis, nov. 

 Janus, Verany, Kev. Zool. Soc. Cuv., p. 302, Aug., 1844, Diagnosis 

 only; Mag. Zool., Moll., pi. cxxxvi, 1845. 

 Type by monotypy, J. spinolce, nov. 



Not Janus, Stephens, 111. Brit. Entom. (Mandib. vii), p. 108, 

 1835. 

 Antiopa, A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. i, p. 190, 

 March 1, 1848. 



Type by monotypy, A. splendida, nov. 

 Not Antiopa, Meigen, Nouv. Class Mouches, p. 32, 1800. 

 Antiopella, Hoyle, Journ. of Conch., vol. x, p. 214, July 1. 1902. 

 New name for Antiopa, A. & H. 



JANOLUS cristatus (Chiaje, 1841). 

 Eolis cristata, Chiaje, Descr. Anim. Invert. Sicil. cit., pi. Ixxxviii, 



1841: Sicily. 

 Janus spinolcB, Verany, Mag. Zool., Moll., pi. cxxxvi, 1845 : Port 



de Genes. 

 Antiopa splendida, A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. i, 



p. 190, March, 1848 (ex Athenaeum Proctonotus ? splendidus. 



No. 1028, p. 748, July 10, 1847, n.n.) : Torbay. 

 Antiopa cristata, Chiaje, A. & H., Mon., Fam. 3, pi. xliv, pt. 6, 



1854. 

 Antiopella cristata, Chiaje, Conch. Soc. List, p. 18 ; Eliot, p. 165. 



JANOLUS HYALiNUS (Alder & Hancock, 1854). 

 Antiopa hyalina, A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. xiv, 

 p. 105, Aug. 1, 1854 : Mouth of Dee. 



— Mon., Fam. 3, pi. xliv, pt. 6, 1854. 



Antiopella hyalina, A. & H., Conch. Soc. List, p. 18. 



Janolus hyalinus, A. & H. ; Eliot, p. 122, pi. v, figs. 4-7, p. 165. 



JANOLUS FLAGELLATUS, Eliot, 1906. 



Janolus flagellatus, Eliot, Journ. Marine Biol. Assoc. U.K., n.s., 



vol. vii, p. 374, June, 1906 : near Plymouth. 

 Eliot, p. 165. 



Genus Zephyrina, Quatrefages, 1844. 

 Zephyrina, Quatrefages, Ann. Sci. Nat. Paris, ser. iii, vol. i, p. 130, 

 March [ante April 15), 1844. 



"Type by monotypy, Z. pilosa, nov. 



