116 DR JAMES COSMO MELVILL AND MR ROBERT STANDEN ON THE 



Lithodomus aristatus, Dillwyn. 

 Spondylus geederopus, Linne". 

 Cardita senegalensis, Reeve. 



ajar, Brug. 



Lucina pecten, Lamarck. 

 Chama senegalensis, Reeve. 

 Venus gallina, Linne\ 

 Chione nodosa, Dunker. 

 ,, verrucosa, Linn6. 

 Cardium edule, Linne". 



B. FROM ASCENSION ISLAND. Pyramid Point, 40 fathoms. 



Nerita o.scensionis, Gmelin. 

 Pecten miniaceus, Reeve. 

 Chama, sp. 



C. FROM FUNCHAL, MADEIRA. Shore. 

 Patella cserulea, Linne". 



Class GASTEROPODA. 



Order AMPHINEURA. 

 Sub-order POLYPLACOPHORA. 



Chiton (Plaxiphora) setiger, King. 



Chiton setiyer, King, Zool. Journ., v. p. 338 (1831). 

 ,. Sowerby, Conch, lllustr., p. 17. 



Zool. Beechey'i Voyage, pi. xl. fig. 7. 

 ,, Reeve, Conch. Icon., t. ix. fig. 48a; t. xiv. fig. 48e. 



Gould, U.S. Explor. Exped. : Moll., p. 330, fig. 425. 

 Plaxiphora Carmichaelis, Gray, P.Z.S. Land. (1846), p. 68. 

 ,, ,, Haddon, Challenger Rep., p. 32. 



,, ,, H. and A. Adams, Gen. Ree. Moll., i. p. 481, and iii., t. 55, fig. 3. 



Cheetopleura Kavatieri, Rochebrunfi, Bull. Soc. Phil. Paris (1880-81), p. 119; Mists. Sci. du 



Cap Horn. 

 friyida, Rocliebrune, I.e., p. 137, t. 91, figs. 5a, 5ft. 



Island, April 22, 1904. Station 461. 

 Scotia Bay, South Orkneys, rarely. Station 325. 



(ROY. HOC. EDIN. TRANS., VOL. XLVIII., 342.) 



