Vol. VIII No. 2 



January 19, j9]S 



JOUENAL 



OP THE 



WASHINGTON ACADEMY 

 OF SCIENCES 



BOARD OF EDITORS 

 Adolph Knopf A. S. Hitchcock J. Fkanklin Meyek 



GEOLOGICAL 80BVBT BUBEAD OF PLANT INDUaTRi; B0BEAO OF BTAilDARDa 



PUBLISHED SEMI-MONTHLY 

 fiXCEPT IN JULY, AUGUST, AND SEPTEMBER, WHEN MOSTHI,lr 



BT THE 



WASHINGTON ACADEMY OF SCIENCE? 



OFFICE OF PUBLICATION 



WILLIAMS & WILKINS COMPANT 



BALTIMORE, MD. 



Entered as second-class matter July 14, 1011, at the post o6&ca at Baltimore, Maryland, under the Act of 



July 18, 1894 



