THE OOLOGIST. 167 



AT THE GREAT 



International Fair 



—']■() BE HEED AT— 



DETROIT. MICHIGAN, 



Aug. 26 to Sept. 5,1890 



Frank H. Lattiii will have a "carload" of Birds' Eggs, Sea Shells, 

 Corals, Natural History Specimens and Curiosities of all kinds. 



Duplicate Specimens will be sold at surprisingly' low j)rices. 



"Lattin" will personally attend the Exhibit during Ihe Fair and 

 would be pleased to meat aay of his })atroiJS. Should you visit the 

 Fair, do not fail to visit Lattin's Exhibit, which you will find on the 

 second fioDr, at the south end of the M; i i Euilding (sime location as 

 in '89.) The Exhil^it will occuj)}' 500 ft. tloor sj a -e with 50 ft. front. 



COUES' KEY TO 



NORTH AMERICAN BIRDS, 



Contains a concise account of every species of living and fossil Bird at present 

 known on the Continent north of the boundary line between Mexico and the United 

 States, including Greenland. 



The Fourth Edition, exhibiting the New Nomenclature of the American Ornitholo- 

 gists' Union, and including descriptions of advlitional species, changes, 

 etc., up to May i, 1890 

 "WITH "WlilCSI A.E,B HSrCOPtPORA-TEia 



GENERAL ORNITHOLOGY.— An outline of the structure and classification of 



of Birds; and 

 FIELD ORNITHOLOGY. — A nnanual of collecting, preparing and preserving 



Birds. 



By ELLIOTT COUES, M. A., M. D., Ph. D., Member of the National 

 Academy of Science, &c. 



PROFUSELY ILLUSTRATED. 



T!'p three former editions of this Standard Text Fcok of Ornirlxilopy being entirely oni of print, 

 nnd still very miuh In demand, the publlsliers have spsired neitlier piilns nor expen.«e In the prepar- 

 ation (if 'TniC NRW KKY," in wlilcli the wliole siihjeet is caieiully 1 mipht down to date. '-Coues' 

 Key" Is too well known as a leading and authoritive tieatise to require remark. 'J'he woik contains 

 over 900 pages and Is tuUy Indexed with several thousand entries. 



ROYAL OCTAVO, VELLUM $7.50. SAMPLE PAGES FOR STAMP. 

 FRANK H. LATTIN, : : : ALBION, N. Y. 



