ADVERTISEMENT. 
exceeded the limits which he had originally assigned to 
himself. This circumstance has added considerably to the 
length of the Memoir and its Appendix; for which, he 
would willingly believe, that the interest belonging to the 
topics themselves, will be deemed a sufficient apology. 
In preparing this Memoir, the editor naturally applied 
for information to Mr. Park's family, and was much gra- 
tified by discovering, that some materials, with a view to a 
similar undertaking, had been collected by a brother-in- 
law of Mr. Park, Mr. Archibald Buchanan of Glasgow ; 
who, on being made acquainted with the editor's intention, 
immediately and with the greatest candour, transmitted 
to him the whole of his papers. 
These materials have been of great use in preparing the 
Memoir ; in which the editor has likewise been assisted by 
much useful information which he has received from another 
brother-in-law of Mr. Park, Mr. James Dickson, whose 
name will occur in the course of the ensuing Memoir ; and 
also from Mr. Park's two brothers, Mr. Adam Park of 
Gravesend, and Mr. Alexander Park of Selkirk, the latter 
of whom is unfortunately since dead. 
The editor is likewise greatly indebted to Major Rennell 
and to Zachary Macaulay, Esq. for several interesting par- 
ticulars concerning Mr. Park ; and to the latter in parti- 
cular, for much valuable information relative to the trade 
of this country with Africa, which will be found in the 
Appendix to the Memoir. 
But his acknowledgments are due, in an especial man- 
ner, to Sir Joseph Banks ; who has not only favoured the 
editor with the fullest communication of his correspon- 
