INTRODUCTION. 1X 
Col. Sykes, as illustrative of the Indian, Chinese, Bornean, 
and other Asiatic species, described by me in the IJlus- 
trations of Indian Zoology, the Zoological Journal, 
and other papers. 
Edward Doubleday, Esq., 
Richard Harlan, M.D., 
Jacob Green, M.D., 
Dr. Macaulay, and 
W. Ogilby, E'sq., as illustrative of the North American species 
described by Say, Harlan, Green, Holbrook, and other 
American authors. 
Capt. Sir Edward Belcher (from Rio), 
Thomas Bell, Esq. (W. Indies), 
Sir Wm. Burnett, R.N., 
E. Cooke, Esq., 
J. Cottle, Hsq. (W. Indies), 
Edw. Cross, E'sq., 
Lady Essex (Demerara), 
Dr. Hancock (Demerara), 
R. Heward, Esq. (W. Indies), 
Mr. Ker (Bahia), 
Edward Laforest, Esq., 
A. Ludlam, Esq., 
Sir James Macgrigor, 
W. S. Mac Leay, Esq. (Cuba), 
Mrs. Parker (Para), 
Col. Edw. Sabine, R.E. (Demerara), 
J. P. Geo. Smith, Esq. and Mrs. Smith (N. Brazil), 
Lord Stuart de Rothesay (Brazil), 
J. E. Winterbottom, Esq. (W. Indies), and 
