102 THE OOLOGIST. 



s Wanted ! 



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"THB OOLOGIST" 



DURING THE 



NEXT SIXTY DAYS T 



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ever offered collectors. 



FOR ONLY $1.00 CASH 



WE WILL SEKD 



The Oologi ST for one yejir $ . 50 



A Card good for one Exchange Notice in The Oologist 25 



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A choice Resurrection Plant from Mexico 15 



And $i.oo worth of anything we advertise (Specimens, Instruments, Supplies, 



Publications, Anything) your selection i.oo 



\ $2.05 



During the next SIXTY DAYS we will send you all of the above for ONLY $1 .00. 



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Pub. THE OOLOGIST - - - ALBION, N. Y. 



COUES' KEY TO 



NORTH AMERICAN BIRDS, 



Contains a concise accoimt of every species of living ajid fossil Bird at j^fesent 

 known 071 the Continent north of the botmdary line between Mexico and the United, 

 States, inchiding Greenland. 



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

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

 etc., up to May i, 1890. 

 "WITH -which: A.E,E IlSrCOE,I=OE,A.TEI3 



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. 



The three former editions of this Standaid Text Book of Ornithology being entirely out of print, 

 and still very much in demand, the pubhshers have spared neither pains nor expense in the prepar- 

 ation of "THE NEW KEY," in wMch the wlaole subject is carefully brought down to date. "Cones' 

 Key" is too well known as a leading and authoritive treatise to require remark. Tne work contains 

 over 900 pages and is fully indexed with several thousand entries. 



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

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



