FAMILIAR LECTURES ON 

 SCIENTIFIC SUBJECTS 



Rv SIR JOHN F. W. HERSCHEL, BART., K. H. : 



M.A. ; D.C.L. ; F.R.S. L. AND E. ; HON. M.R.I. A ; F.R.A.S. ; M.C.U P.S. 



MEMBER OF THE INSTITUTE OF FRANCE ; AND 



CORRESPONDENT, ASSOCIATE, HONORARY OR ORDINARY MEMBER OF VARIOUS OTHEK 

 ACADEMIES AND INSTITUTIONS 



ALEXANDER STRAHAN & CO. 

 56, LUDGATE HILL, LONDON 



1871 



