T.p. for pt. 2 (p. [245]) has imprint: London: Printed for James Smith ..., 1822.
Probably the sheets of Smith's 1822 ed. (printed by W. Lewis), with a new t.p. and plates.
"Advertisement to the ninth edition," pp. [iii]-vi. "Advertisement to the sixth edition pubished by John Sidney Hawkins, Esq., 1797," p. [vii].
Some plates have imprint: London: Published by T. Gosden .... Eighteen are proofs.
This is probably not a separate ed., but Hawkins 9th, with extra illustrations and binding by Thomas Gosden, a binder and publisher of sporting books.
Library copy lacks blank leaf, p. [269-270].
B⁷ Walton and Cotton.
Complete angler