PRELIMINARY DISCOURSE 
—— ool fig sok aa 
ON THE STUDY OF 
NATURAL HisTorRY, 
2 ie ae 5 —— ai 
- 6C ApH? ? 
R 
WILLIAM SWAINSON ESQ. 


= 
Honvdon: 
BINTED FOR LONGMAN REES,ORME BROWN,GREEN & LONGMAN, PATERNOSTER ROW: 
AND JOHN TAYLOR,UPPER GOWER STREET, 
