KEPOKT 



OP THE 



SEVENTIETH MEETING 



OP THB 



BRITISH ASSOCIATION 



FCR TEE 



ADVMCEMENT OF SCIENCE 



HELD AT 



BRADFORD IN SEPTEMBER 1900. 



LONDON : 

 JOHN MUEEAY, ALBEMARLE STREET. 



1900. 



Office of the Association : Btirliugton House, London, W. 



