No. 4. 



DECEMBER 12th, 1894. 



Vol. III. 



THE 



JOURNAL 



ow 



MALACOLOGY 



€sta!)ltsl)eti in 1890 as "5Cf)f Cond)ologist, a 3Joutnal of ilttalafologn." 



EDITED BY 



WALTER E. COLLINGE. 



Mason College, Birmingham ; 

 WITH THE ASSISTANCE IN SPECIAL DEPARTMENTS O p' 



LIEUT.-COL. H. H. GODWIN-AUSTEN, F.R.S., F.G.S., F.Z.S., &c., 



Hascomue, Godalming ; 



Rev. a. H. COOKE, M.A., F.Z.S., E. R. SVKES, B.A., F.Z.S.,. 



King's College, Cambridge ; London ; 



CHARLES HEDLEV, F.L.S., B. B. WOODWARD, F.G.S., F.R.M.S., 



Australian Museum, Sydney, N.S.W. ; British Museum (Natural History), London. 



^ontcnii;. page 



" The Journal of Malacology." E R. Sykes, B.A., F.Z.S. 6i 



Walter Edvv.ird CoUinge R. M.icdonald, M.A., B.Sc. (2 



A List of the Recent Species of the Genus Pirida, Lamarck, with notes respecting 



the synonymy. .. .. .. . .. Edgar A. Smith, F.Z.S. 64 



On the Generative Anatomy of Alitalia inarginata, Drap., and some remarks on the 



Genus. . . . . . . . . . . . . . . . . . . Walter E. Collinge. 70 



Mollusca as Purifiers of Water. Charles Hedley, F.L.S. 73 



Notes ( Note on the Value of Laiiiwdonta E. R. Sykes, B.A., F.Z.S. 73 



Reviews of the "Manual of Conchology.". .. H. A. Pilsbry & E.R.S. 74 



( Taylor's Monograph of the British L. & F. Mollusca. W.E.C. 75 



I Collinge : Description of a new species of Janella. .. . . . . 76 



Editor's Notes. 



Current Literature 



' The Journal of Malacology " is published once a quarter, and issued to subscribers only. 

 The prepaid Annual Subscription is 4s. 4d. 



LONDON Messrs. DULAU & CO., 37, Soho Square. 



BERLIN ... Messrs. R. FRIEDLANDER & SOHN, Cari.strasse 11. 



All communications should be addressed — 

 W. E. COLLINGE, MASON COLLEGE, BIRMINGHAM, ENGLAND. 



