IREDALE & o'dONOGHUE : BRITISH NUDIBRANCHIATE MOLLUSCA. 205 



EoUs arenicola, A. & H., Mon. Nudib. Moll. (Eay Soc), Fam. 3, 



pi. xxxi, fig. 1, pt. 3, 1847 : Menai Straits. 

 Eolis viridis, ibid., Fam. 3, pi. xxxii, pt. 6, 1854. 

 Cratena viridis. Forbes, and var. arenicola, A. & H., Conch. Soc. 



List, p. 18. 

 Amphorina viridis, Forbes ; Eliot, p. 173. 



CRATENA glotensis (Alder & Hancock, 1846). 

 E{olis) glotensis, A. & H., Ann. & Mag. Nat. Hist., vol. xviii, p. 293, 



Nov. 1846 : Lamlash Bay. 



^ Mon., Fam. 3, pi. xxix, pt. 6, 1854. 



Cratena viridis, var. glottensis, A. & H., Conch. Soc. List, p. 18. 

 Amphorina glottensis, A. & H. ; Eliot, p. 173. 



CRATENA STIPATA (Alder & Hancock, 1843). 

 Eolis stipata, A. & H., Ann. & Mag. Nat. Hist., vol. xii, p. 233. 

 Oct. 1843 : Torbay. 



Mon., Fam. 3, pi, xxii, pt. 6, 1854. 



Cratena stipata, A. & H., Conch. Soc. List, p. 18. 

 Cuthona stipata, A. & H. ; Eliot, p. 173. 



Genus Favorinus, Gray, 1850. 

 Favorinus, Gray, Figs. Mollusc. Anim., vol. iv, p. 109, 1850. 



Type by monotypy, Eolis alba, A. & H. = Favorinus alhidus, 

 nov. 



FAVORINUS ALBIDUS, nom. nov. 

 Eolis alba, A. & H., Ann. & Mag. Nat. Hist., vol. xiii, p. 164, March, 

 1844 : near Dublin. 



Not Eolidia alba. Van Hasselt, Alg. Konst. & Letter-Bode, 

 p. 23, Jan. 1824. 

 Eolis alba, A. & H. ; Mon., Fam. 3, pi. xxi, pt. 1, 1845. 

 Favorinus albus, A. & H., Conch. Soc. List, p. 18 ; Eliot, p. 172. 



FAVORINUS CARNEUS (Alder & Hancock, 1854). 

 Eolis carnea^ A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. xiv, 



p. 104, Aug. 1, 1854 : Torquay. 

 Favorinus carneus, A. & H., Conch. Soc. List, p. 18 ; Eliot, p. 172. 



Genus Facelina, Alder & Hancock, 1855. 

 Facelina, A. & H., Mon. Nudib. Moll. (Ray Soc), pt. 7, App. p. xxii, 

 1855. 



Type by monotypy, Eolida coronata, Forbes & Goodsir = 

 Doris longicornis, Montagu. 

 Acanthopsole, Trinchese, Mem. Accad. Sci. Inst. Bologna, ser. iii, 

 vol. V, fasc. i, p. 76 (read March 24), 1874. 



Type by original designation, ^olis rubrovittdta, Costa. 



facelina curta (Alder & Hancock, 1843). 

 Eolis curta, A. & H., Ann. & Mag. Nat. Hist., vol. xii, p. 234, Oct. 

 1843 : Whitley, Northumberland. 



