A Journal of General Botany 



VOLUME 21 

 NUMBER 11 

 NOVEMBER, 19 18 



CONTAINING 



The Quadrat Method in Teaching Ecology. J. E. Weaver 267 



Geologic History of the Locust and Its Allies. Edward W. Berry 284 



Books and Current Literature 299 



Notes and Comment 302 



PUBLISHED MONTHLY 



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Entered aa »econd-clas3 matter March 9, 1912, at the post ofBce at Baltinore. Maryland, undor the act of July Ifl, 1S84 



