6 ^ 



FAMILIAR LECTURES ON 



SCIENTIFIC SUBJECTS 



> 



By Sir JOHN R W. HERSCHEL, Bart., K. H. ; 



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

 MEMBER OF THE INSTITUTE OF FRANCE ; AND 

 :ORRESrONDENT, ASSOCIATE, HONORARY OR ORDINARY MtMBEK OF VARIOUS OTHER 



ACADEMIES AND INSTITUTIONS , 



NEW YORK: 



GEORGE ROUTLEDGE & S-O N S , 



416 Broome Street. 



Philadelphia: J. B. Lippincott & Co. 



LONDON : 



Alexander Strahan & Co., and George Routledge & Sons. 



1872. 



