SCIENTIFIC LECTURES 



BY THE RIGHT HON. 



SIE JOHN LUBBOCK, BART., F.RS. 



M.P., D.C.L., LL.D. 



Principal of the London Working Men's College; President of the London 

 Chamber of Commerce 



and 

 Vice-Chairman of the London County Council 



SECOND EDITION 



MACMILLAN AND CO. 



AND NEW YORK 



1890 



The Right of Translation and Reproduction is Reserved. 



