gouno: Collector feerie^.] 



Land and Fresh-water Shells 



AN INTRODUCTION TO THE STUDY OF 

 CONCHOLOGY. 



J. Wr WILLIAMS, M.A., D.Sc, F.S.L.A., 



' Gold Medallist, S.Sc, London ; 



Member of the Cotichological Society of Great Britain and Irela^id ; Member of the 



Scottish Meteorological Society ; Cotichological Referee to the Wesley 



Scientific Society; Author of" The Shell-Collector's 



Handbook for the Field." 



WITH A CHAPTER ON THE 



DISTRIBUTION OF THE BRITISH LAND AND 

 FRESH-WATER MOLLUSC A, 



^/ - 



j. W. TAYLOR, F.L.S., 



Editor of-' The Journal of Conchology^' ; Ex-President of the Conchological Society oj 



Great Britain and J re land ; and Membre Hono7'aire dc la Societc 



^Lalacoloiiiqiie de Fi-ance ; 



W.'^DENISON ROEBUCK, F.L.S. 



Kd^on of Molly^ 



LONDON : 



SWAN SONNENSCHEIN & CO., 



PATERNOSTER SQUARE. 



