VI ADVERTISEMENT. 



attain any tolerable degree of perfection ; and the ad- 

 vantages which the Author has been permitted to 

 derive from the liberal use of it, demands this public 

 expression of his warmest thanks. He also with 

 pleasure acknowledges the very friendly assistance 

 which he has received from Silvanus Bevan, Esq. 



In a work containing more than five thousand 

 specific names and synonyma, and probably four 

 times that number of references, the author hopes 

 that no apology will be thought necessary for the 

 extent of the corrigenda. 



Willows, Jan. 1st, 1817. 



