. Journal of conchology . IGINAL COMMUNICATIONS: page On the Article Purpura in Tryons Manual of Conchology.—Rev Alfred Hands Cooke, revelata at Newquay.—Rev. A. H. Cooke. truncatula floating.—H Wallis KewOn the Re-discovery of Planorbis multivalvis Case, and Planorbis truncatus Miles.—Bryant Walker ..Helix pisana var. minor.—^Jno. W. TaylorRespiration of Ancylus fluvialilis.—W. A. pictorum var. latior in Lancashire.—^Jno. W. TaylorNotes on Mitra (Costellaria) rugosa. —^James Cosmo MelvillDiscovery of Helix harpa in Switzerland.—Jno. W. TaylorOn the Specific Di
. Journal of conchology . IGINAL COMMUNICATIONS: page On the Article Purpura in Tryons Manual of Conchology.—Rev Alfred Hands Cooke, revelata at Newquay.—Rev. A. H. Cooke. truncatula floating.—H Wallis KewOn the Re-discovery of Planorbis multivalvis Case, and Planorbis truncatus Miles.—Bryant Walker ..Helix pisana var. minor.—^Jno. W. TaylorRespiration of Ancylus fluvialilis.—W. A. pictorum var. latior in Lancashire.—^Jno. W. TaylorNotes on Mitra (Costellaria) rugosa. —^James Cosmo MelvillDiscovery of Helix harpa in Switzerland.—Jno. W. TaylorOn the Specific Distinctness and the Geographical Distribution of Testacella scutulum.—Jno. W. Taylor 321329329 330331331331332335 337 Helix revelata and Pupa umbilicata var. alba at Newquay. DaCosta 347 Two New Siphonali^ from Japan.—^J. Cosmo Melvill ... ... ... q^S BIBLIOGRAPHY. PROCEEDINGSofthe CONCHOLOGICAL SOCIETY 349 LEEDS: TAYLOR BROS., Sov6reig;n Street,, BERLIN; R. FRIEDLANDER k SOHN, CarlstrA^^e, ii,.. EN VENTE CHEZ KEMINK & FILS, VIS A VIS LE DOMKERK, tjt:e^eoh:t. CATALOGUE DE LA PRECIEUSE ET SUPERBE COLLECTION DE COQUILLES DESPECES VIVANTES Et Quelques Livres Traitant de la Conchyliologie, Le tout, delaisse par Madame la DOUAIBIEUE EETHAAIT MACABE, Nee ONTYD, DONT LA VENTE PUBLiaUE AUEA LIEU LE LUNDI, 6 AOUT, 1888, A 10 HEDRES DU MATIN, A UTRECHT. PRIX DU CATALOGUE, i FRANC. THE DARTS OF THE BRITISH HELICID^.—Any informa-tion respecting the Structure, Function, Development, Variation,&c., of the above will be welcomed and gratefully acknowledged byW. E. CoLLiNGE, 7, Willow Terrace Road, Teeds. C^ T) QOWERBY, 121, FULHAM ROAD, London, \jr. XJ. k3 (Removed from 45, Great Russell Street), hasprobably the Largest STOCK OF RECENT SHELLS of any dealer in theworld, from which selections may be made on the premises or specimens sent forselection. COLLECTIONS Illustrative of Generic and Sub-generic Forms, and Species,from 100 to 5,000 species from ^i los. to
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