E nae 
TO: 
AYLMER BOURKE LAMBERT, Esa. 
ERSAG ^ 
VICE-PRESIDENT OF THE LINNEAN SOCIETY. 
SIR, 
1 am conscious i5 of fering but a 
small tribute of gratitude, when I beg to 
be permitted to inscribe the following pages 
with your name, Should they happily 
meet with approbation, the Public will 
ii 7 "haves in a great measure, to thank you 
for their existence ; ; as, without the aid 
and assistance you so liberally afforded me, 
my own feeble exertions would have been 
inadequate to the performance of so im- . 
portant an undertaking. 
Should the perusal of this work in 
any degree add to the pleasure you feel in 
* A2 
