SCIENTIFIC LECTURES 



BY THE RIGHT HON. 



SIR JOHN LUBBOCK, Bart., F.R.S. 



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 



Ifjontron 

 MACMILLAN AND CO. 



AND NEW YORK 

 1890 



Tlie Bight of Translation and Reproduction is Reserved. 

 ® 



