SCMiriKB 
TO 
AYLMER BOURKE LAMBERT, Esq. 
F.R.S. F.A.S. 
Y ICE-PRESID ENT OF THE LINNEAN SOCIETY. 
SIR , 
I am conscious of offering 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 
have , in a great measure , thank you 
for their existence ; <75, 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 
a 2 
