60 Rev. Canon Norman's Revision V. — Revision of British Mollusca. By the Kev. Canon A. M. Norman, M.A., D.C.L., F.R.S., F.L.S., &c. [Continued from vol. v. p. 484.] Class II. GASTROPODA. Subclass I. ANISOPLEURA. Superorder I. EUTHYNEURA. Older I. PTEROPODA. Suborder I. GYMNOSOMATA. Fam. 1. Clionidae. Genus Clione, Phipps. 21. Clione limacina^ Phipps. Clio limacina, Phipps, Voyage Nortli Pole (1773), p. 195. Clione borealis, Pallas, Spicilegia Zoologica, fasc. x. (1774), p. 28, pi. i. figs. 18, 19. Clione limaciym, G. 0. Sars, Moll. Regiouis Arcticfe Norvegise, p. 322, pi. xxix. fig. 4 a-c. Mr. T. Scott (Report Fishery Board Scotland, 1889, p. 325) has procured a specimen of this species in the towing-net off Inchkeith in the Firth of Forth, which he kept alive for two days ; and Professor M'Intosh records that on April 11 and 12, 1887, and during a week or two afterwards, a considerable number of the species were captured near shore at St. Andrews. Pelseneer (' Challenger ' Report) says, " There is in the collection of the Museum d'tlistoire Naturelle of Paris a specimen from Falmouth presented by Leach." Leach cer-tainly procured it living off the coast of Mull in 1811 {vide Forbes and Hanley, ' British Mollusca,' vol. iv. p. 292). It is the Clio rehisa of O. F. Miiller, Clione yaiiilionacea of authors, Clio miquelonensis of Rang, Clione elegantissima of Dall, and Clione Dalli of Krause. Very abundant in the Arctic seas. The British localities are its most southern limit in the Eastern Atlantic, while in the Western Atlantic it was found in 1833 as far south as New York. It lias been taken in Finmark, but is not known to reach the Norwegian coast.
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