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fall-page aiustrations and text cuts; all from original photo- 

 graphs. G. P. Putnam's Sons. New York, 1898. 



Data on Song in Birds. Observations on the Song of 

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 Science, N. S., Vol. XIV, No. 353, pp. 522-526, October 4, 1901. 



Data on Song in Birds: The Acquisition of New Songs, 

 William E. D. Scott. Science, N. S., Vol. XV, No. 370, pp. 

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Instinct in Song Birds. Method of Breeding in Hand- 

 reared Robins {Merula migratorid), William E. D. Scott. 

 Science, N. S., Vol. XVI, No. 393, pp. 70-71, July 11, 1902. 



