SCIENCE.— AD VERTI8EMENTS. 



^3 1 Fv lD w3 



By A. H. EVANS, M.A. 



Clare College^ Cawhridge 



Being Volume IX of the Cambridge Natural HistorJ^ Edited by S. F. Harmee, Sc.D., 



and A. E. Shipley. With Numerous Illustrations. 



Clotll Svo, $3.50 net. 



A short description of the majority of the forms in many of the Families, and of the most typical or impor- 

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 fossil forms as yet recorded. 



"The greatest and best book ever written about birds." — Elliott Coces. 



A DICTIONARY OF BIROS 



By Professor Alfred Newton, University of Cambridge. 



Assisted by Hans F. G-adow, Ph.D., F.Pi.S. With contributions from Richard Lydekkek, author (with Sir W. 

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Complete in One Volume. Med. Sto, Price $10 net. 



I' It is a better introduction to ornithology and to ornithologists than has ever been written before . . . 

 indeed it is one to lie upon the desk of every worker in this branch of natural history as aii almost inexhaustible 

 storehouse of facts he needs to know." — The Nation. 



" The most valuable and most interesting contribution ever made to the subject of which it treats." — Science. 



BIRDCRAFT 



A Field Book of Two Hundred " l^''* Book is attractive, interesting;, helpful, and 



„ _, , __ , — . , sliould be in tlie library of every lover of birds." 



Song, Game, and Water Birds, —science. 



By Mabel Osgood Wrkuit. 



Eighty Plates by Louis Agassiz Fuektes. Small Quarto, $3.50 net. 



CITIZEN BIRO 



Scenes from Bird Life in ■■ One of the most charming as well as most 



Plain English for Beginners. useful books."— forest and stream. 



By Mabel Osgood Wright, Author of " Tommy-Anne" etc., and Dr. Elliott Coues, Author of " Birds of North 

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