DOMESTICATED 
ANIMALS AND PLANTS 
A BRIEF TREATISE UPON THE ORIGIN AND 
DEVELOPMENT OF DOMESTICATED RACES 
WITH SPECIAL REFERENCE TO THE 
METHODS OF IMPROVEMENT 
BY 
E. DAVENPORT, M.Acr., LL.D. 
PROFESSOR OF THREMMATOLOGY IN THE UNIVERSITY OF ILLINOIS 
DEAN OF THE COLLEGE OF AGRICULTURE 
DIRECTOR OF THE AGRICULTURAL EXPERIMENT STATION 
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GINN AND COMPANY 
BOSTON - NEW YORK - CHICAGO - LONDON 
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