Vol. 66. December 1825. 



No. 332. 



Ptiblished the Last Day of every Month. — Price 2s. 6d. 



THE 



PHILOSOPHICAL MAGAZINE 



AND JOURNAL: 



COMFKEHENDING 



THE VARIOUS BRANCHES OF SCIENCE, 



THE LIBERAL AND FINE ARTS, 



AGRICULTURE, MANUFACTURES, 



AND COMMERCE. 



NUMBER CCCXXXIL 



For DECEMBER 1825. 



WITH TWO PLATES 



Illustrative of Dr. Kiod's Anatomy of the Mole«cricket. 



Br RICHARD TAYLOR, F.L.S. 



MEMBSK OP THE ASTRONOMICAL SOCIETY OF LONDON ; OF THE METEOROLO- 

 GICAL SOCIETT ; AND OF THE ROYAL ASIATIC SOCIETY 

 OP ORBAT BRITAIN AND IRELAND. 



LONDON: 



PBINTED BY RICHARD TAYLOB, SHOE-LANE : 



Sold by Cadcll ; Longman, Rees, Orme, Brown, and Green ; Baldwin, Cradock, j__ 

 and Joy; Highley; Sherwood, Gilbert, and Piper; Harding; Undenvood; ^ 

 Simpkin and Marshall; London: — and by Constable and Co, Edinburgh; 

 and Penman, Glasgow. 



