No. 58. 



Published the First Day of every Month. — Price 2s. 6d. 



THE 



PHILOSOPHICAL MAGAZINE i 



AND 



ANNALS OF PHILOSOPHY: 



COMPREHENDING 



THE VARIOUS BRANCHES OF SCIENCE, THE LIBERAL 



AND FINE ARTS, AGRICULTURE, MANUFACTURES, 



AND COMMERCE. 



NEW SERIES. 

 No 58.— O C T O B E R 1831. 



BY 



RICHARD TAYLOR, F.S.A. L.S. G.S. M.Astr. S.&c. 



AND 



RICHARD PHILLIPS, F.R.S. L. &E. F.G.S. &c. 



JLonDon : 



PKINTED BY AND FOR RICHARD TAYLOR, RED LION COURT, FLEET STREET, 



Printer lo the Univcrsiti/ of London. 

 Sold by Longman, Rees, Orme, Rrown, and Green ; Baldwin and Cradock ; 

 Cadcll; Sherwood, Gilbert, and Piper; Simpkin and Marshall ; and 

 S. Ui.'hlcy, London:— and by Adam Black, Edinburgh; Smith and Son, 

 Glaspow :— and Modges and M'Arthur, Dublin :-and by G. G. Bonnie, at 

 the Library and News Rooms, r}[, Rue ncuvc St. Augu stin, Parm^ 



