220 PROCEEDINGS OP THE MA.LACOLOGICAL SOCIETY, 



in the quotation. The specimen is still preserved in the British 

 Museum (Nat. Hist.), and was recognized by Leach's figure, the 

 bottle being labelled " Onchidoris leachii, Doris elfortiana, Doris 

 affinis, Thomson, the Lamellidoris hilamellata, auctt.", the last 

 handwriting different, and probably Abraham's. The radula was 

 dissected out by O'Donoghue, and is here figured and absolutely 

 proves the certainty of the name.] 



ONCHiDORUs FuscA (0. F. Mliller, 1776). 



Doris fusca, 0. F. Mtiller, Zool. Dan. Prodr., p. 229, (pref. March 31), 



1776 (description reads : " ovalis, lamella scabra, punctata. 



D. hilamellata, Linn.") : Denmark. 

 Doris hilamellatus, Linne, Syst. Nat., ed. 12, p. 1083, 1767 partim, 



not Limax hilamellatus, Linne, Fauna Suecica, ed. 2, p. 508, 



1761. 

 Doris elfortiania, Blainville, Bull. Sci. Soc. Philom. Paris, (April No.), 



1816, p. 95, July, 1816 : Scotland ex Leach in B.M. 

 Onchidorus leachii, ibid., p. 97 : Location unknown, ibid. 

 Doris leachii, ibid.. Diet. Sci. Nat. (Levraillt), vol. xiii, p. 450, July 24, 



1819 : Scotland ex Leach in B.M. 

 Doris affinis (not of Gmelin, p. 3106), Thompson, Ann. Nat. Hist., 



vol. V, p. 85, April, 1840 : Greencastle, Ireland. 

 Doris vulgaris, Leach, Synops. Moll. Gt. Britain, p. 19, Dec. 1852 ; 



name for D. verrucosa, Pennant, i.e. D. fusca, Mliller. 

 Doris hilamellata, L., A. & H., Mon., Fam. 1, pi. xi, pt. 6, 1854. 

 Lamellidoris hilamellata, Linne, Conch. Soc. List, p. 19 ; Eliot, p. 156, 



var. pacifica, Bergh. 



ONCHIDORUS MURiCATA (0. F. MuUer, 1776). 



Doris muricata, 0. F. Miiller, Zool. Dan. Prodr., p. 229, (pref. 



March 31), 1776 : Denmark. 

 Lamellidoris muricata, Miiller, Conch. Soc. List, p. 19 ; Eliot, p. 156. 



ONCHIDORUS DiAPHANA (Alder & Hancock, 1845). 



Doris diaphana, A. & H., Ann. & Mag. Nat. Hist., vol. xvi, p. 313, 

 Nov. 1845 : Torbay. 



Mon., Fam. 1, pi. x, pt. 2, 1846. 



Lamellidoris diaphana, A. & H., Conch. Soc. List, p. 19 ; Eliot, 

 p. 156. 



ONCHIDORUS ASPERA (Alder & Hancock, 1842). 



Doris aspera, A. & H., Ann. & Mag. Nat. Hist., vol. ix, p. 32, March, 

 1842: Tynemouth. 



: Mon., Fam. 1, pi. xix, pt. 6, 1854. 



Lamellidoris aspera, A. & H., Conch. Soc. List, p. 19 ; Eliot, p. 156, 



