June, 1899. 



CORNELL 



NATURE=STUDY BULLETIN 



iNo. r 



LiBRAPY 

 NEW V 

 BO i ANfCAL 



GARDEN 



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Issued by the College of Agriculture and Experiment Station of 

 Cornell University, under Chapter 430 of the Laws of 1899, 

 of the State of New York. I. P. Roberts, Director. 



PUBI^ISHED BY THE UNIVERSITY. 



ITHACA, N. Y. 



1899. 



