218 PROCEEDINGS OP THE MALACOLOGICAL SOCIETY. 



Idalina, Norman, Ann. & Mag. Nat. Hist., ser. vi, vol. vi, p. 74, 

 July 1, 1890. 



New name for Idalia, Leuckart. 



OKENIA QUADRicoRNis (Montagu, 1815). 

 Doris quadricornis, Montagu, Trans. Linn. Soc. (Lond.), vol. xi, 



p. 17, pi. ix, fig. 4, 1815 : Devon. 

 Idalia elegans, Leuckart, Breves Animal, quor. Descr., p. 15, 1828 : 



Mediterranean Sea. 

 Doris laciniosa, PMlippi, Enum. Moll. Sicil., vol. ii, p. 77, pi. xix, 



fig. 5 (pref. Aug. 31, 1843), 1844 : Sicily. 

 Idalia elegans, Leuckart ; A. & H., Mon., Fam. 1, pi. xxvii, pt. 7, 



1855 ; Eliot, p. 158. 

 Idalina elegans, Leuckart, Concli. Soc. List, p. 19. 



OKENIA LEACHii (Alder & Hancock, 1854). 

 I{dalia) leachii, A. & H., Ann. & Mag. Nat. Hist., ser. ii, vol. xiv, 

 p. 103, Aug. 1, 1854. 



New name for I. elegans. Cat. Moll. Northumberland. 



Mon., Fam. 1, pi. xxvii, pt. 7, 1855 ; Eliot, p. 159. 



Idalina leachii, A. & H., Concli. Soc. List, p. 19. 



Genus Ancula, Loven, 1846. 

 Ancula, Loven, Ofvers. k. Vet. Akad. Forh. (Stockh.), 1846, p. 137, 

 May 13. 



Type by monotypy, Polycera cristata. Alder. 

 Miranda, A. & H., Mon. Nudib. Moll. (Ray Soc), Fam. 3, pi. xxv, 

 name on plate, pt. 3, 1847, as a synonym. 



ancula cristata (Alder, 1841). 

 P{olycera) cristata, Alder, Ann. & Mag. Nat. Hist., vol. vi, p. 340, 



pi. ix, figs. 10-11, Jan. 1841 : Cullercoats. 

 Ancula cristata. Alder ; A. & H., Mon., Fam. 1, pi. xxv, pt. 3, 1847 ; 



Conch. Soc. List, p. 19 ;' Eliot, p. 158. 



Genus Goniodoris, Forbes & Goodsir, 1839. 

 Goniodoris, Forbes & Goodsir, Athenaeum, No. 618, p. 647, Aug. 31, 

 1839. 



Type by subsequent designation, Gray, Proc. Zool. Soc. 

 (Lond.), 1847, p. 164 : Doris nodosa, Montagu. 



goniodoris nodosa (Montagu, 1808). 

 Doris nodosa, Montagu, Trans. Linn. Soc. (Lond.), vol. ix, p. 107, 



pi. vii, fig. 2, 1808 : Devon. 

 D{oris) harvicensis, Johnston, Ann. Nat. Hist., vol. i, p. 55, pi. ii, 



figs. 11-13, March, 1838 : Scotland. 

 Doris elongata, Thompson, Ann. Nat. Hist., vol. v, p. 88, pi. ii, 



fig. 7, April, 1840 : Isle of Lambay, Dublin. 

 Goniodoris emarginata, Forbes, ibid., p. 105, pi. ii, fig. 12 : Ballaugh, 



Isle of Man. 



