No. 4. DECEMBER, 12th, 1894. Vol. III. 



THE 



JOURNAL 



MALACOLOGY 



©sta6ltsl)ett in 1890 as "2Tf)e CTondjologiat, a journal of jTCtalacoIogp." 



EDITED BY 



WALTER E. COLLINGE, 



Mason College, Birmingham ; 

 WITH THE ASSISTANCE IN SPECIAL DEPARTMENTS OF 



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

 Hascombe, Godalming ; 



Rev. A. H. COOKE, M.A., F.Z.S., E. R. SYKES, 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. 



(Contents. 



PAGE 



" The Journal of Malacology." .. .. ,. .. E R. Sykes, B.A., F.Z.S. 61 



Walter Edward Collinge .. .. R. Macdonald, M.A., B.Sc. 62 



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



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



On the Generative Anatomy of Amalia marginata, Drap., and some remarks on the 



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



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



Note on the Value of Laimodonta 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 



Current Literature ■!„,,. _ . . , . , „ 



( Collinge : Description 01 a new species of Janella. . . .. . . 76 



Editor's Notes. 



"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 ii. 



All communications should be addressed — 

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



