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Show 1885.] 'LIGHTNING' AND 'PORCUPINE' EXPEDITIONS. 29 Family XX. NATICID^E. A. Operculum chitinous or horny. Natica, Risso. I. NATICA SORDIDA, Phil. Moll. Sic. ii. p. 139, t. xxiv. f. 15: B. C. iv. p. 218 ; v. p. 215, pi. lxxviii. f. 3. 'Porcupine' Exp. 1869: St. 1, Dingle B., 6, 7, 9, 11, 13-16, 23, 45, 45«. 1870: Atl. 2, 3, 3a, 9-11, 13, Setubal B., 24, off C. Sagres, 26-30, 36 ; Med. C. de Gata, 45, 50, off Jijeli, 55, Benzert Road, Rasel Amoush, off Rinaldo's Chair, Adventure Bank. Distribution. British coasts from Shetland to Devon, Denmark, Ostend? (Malzine), Bay of Biscay, N. Spain, S.W. France, throughout the Mediterranean and Adriatic, and off Madeira; 7-488 fms. Fossil. Pliocene: Red and Coralline Crags, St. Erth, Cornwall, Middle and South of Italy. Post-tertiary : Caithness, Lancashire, and Cheshire. Synonyms numerous. Judging from De Blainville's short description of N. fusca in the ' Dictionnaire des Sciences Naturelles,' I suspect that it was a reddish-brown and uniformly coloured variety of N. millepunctata. The present species may have been N. lavida of Laskey, or possibly the problematical N. castanea of Lamarck, which has been assigned to so many French species. Deshayes considered Lamarck's species to be a variety of his N. monilifera, our N. catena. On the whole it may be better to retain the well-known name of sordida, instead of wearying conchologists by a further and perplexed discussion as to the priority and appropriateness of the several other names which have been bestowed bv different writers on this rather common and extensively distributed species. The N. sordida of Swainson appears to have been N. plumbea of Lamarck. 2. NATICA PALLIDA, Broderip and Sowerby. N. pallida, Brod. & Sow. in Zool. Journ. vol. iv. (1828-29), p. 372. N. grcenlandica, B. C. iv. p. 216 ; v. p. 215, pi. lxxviii. f. 2. ' Porcupine ' Exp. 1869 ; St. 14, 45, 58. Distribution. Arctic seas in both hemispheres, Iceland, Faroe I., Scandinavia, Great Britain southwards to the Dogger Bank, Labrador, Canada, and New England, N. Japan, ? Ostend (Malzine); 2-1290 fms. Fossil. Pliocene ? and Post-tertiary : Red and Norwich Crags, Siberia (Schmidt), Iceland (Morch), Norway and Sweden, British Isles, Labrador, Canada and New England ; 0-400 ft. Synonyms. N. pusilla, Gould (not Say), N. livida, Bean, N. borealis and perhaps N. suturalis, Gray, N. grcenlandica (Beck), Moller, probably N. beverlii, Leach, N. gouldii, Philippi, N. alba and N. lactea (Loven MS.), Philippi, and N. bulbosa, Reeve. I have given this long list of names to show the confusion and difliculty which is so apt to perplex students when trusting to certain works. Philippi has, in Krister's edition of the ' Conchylien Cabinet,' mistaken, as well as Forbes and Hanley, the present |
