THE JOURNAL 



OF MALACOLOGY 



Estahlishcd in 1890 hv U'ciUcr E. CoHiit^c as " The Coxchologist, a Joumal of Malacology." 



EDITED BY 



WILFRED MARK WEBB, F . L . S . , 



Technical Laboratories, County of Essex, 

 Axn 



\V ALTER E . C O L L I N G E , F . Z . S . , 



Mason College, Birmingham ; 



WITH THE ASSISTAXCE IX SPECIAL DEPARTMENTS OF : — 



The Rev. A. H. Cooke, M.A., F.Z.S., King's College, Cambridge: 



Lieut-Col. H. H. Godwix-Austex, F.R.S., etc., Hascombe, Godalming ; 



Charles Hedlev, F.L.S., Australian Museum, Sydney, X.S.W. ; 



S. Pace, Royal College of Science, London ; 



E. R. Sykes, B.A., F.Z.S., London ; 



B. B. Woodward, F.G.S., F.R.M.S., British Museum (Natural History). 



Vol. IV. (No. i.) CONTENTS.' March 30th, 1895. 



PAGE. 



" Oysters as Disseminators of Disease," John C. Thresh, M.B., D.Sc.,D.P.H. i 

 "Description of a New Species of Liinax from 



Ireland" Walter E. CoUinge, F.Z.S. 4 



" Amalia paryi, a supposed New Species " . . . . Walter E. Collinge, F.Z.S. 7 



" A Mess-I\Iate of L/w«i?iT s^j^«ir//s ' .. .. George Bailey, F.R. M.S. 8 



" Notes upon the Generic Terms Cassidaria and Oniscia " Edgar A. Smith, F.Z.S. 11 



" The Di-Myarian Stage of the ' Native ' Oyster " Wilfred Mark Webb, F.L.S. 15 

 Current Literature 



On the Synonymy of Pliitoiu'a, Stabile 



Sinistral Shells and Superstition . . 

 Notes" New Pleistocene Mollusca from Crayford 



Pleistocene Mollusca at Chelmsford and Ilford . . 

 ^ Inter-breeding of Type and Variety of Helix aspcrsa 

 Proceedings of Societies .. 



Editors' Notes . . 



31 



LoNDOx : Berlin : 



DULAU & CO., 37, Soho Square. FRIEDLANDER & SOHN, Carlstra^se 11. 



Quarterly. Issued Post-free to Subscribers only, for Is. <td. per annum. 



All communications to be made to — 



WILFRED MARK WEBB, " Holmesdale," Brentwood, Essex, England. 



