SHELLS AS EVIDENCE OF 



THE MIGRATIONS OF 



EARLY CULTURE 



BY 



J. WILFRID JACKSON, F.G.S. 



Assistant Keeper Manchester Museum 

 Honorary Librarian of the Conchological Society of Great Britain and Ireland 



MANCHESTER 

 AT THE UNIVERSITY PRESS 



12 LIME GROVE, OXFORD ROAD 



LONGMANS, GREEN & CO. 



LONDON, NEW YORK, BOMBAY, &c. 



