Vol. 1. No. 6. 



October 19, 1911. 



JOURNAL 



OF THE 



WASHINGTON ACADEMY 



■ OF SCIENCES 



BOARD OF EDITORS 

 George K. Burgess Barton W. Evermann Frederick Leslie Ransome 



BUREAU OP STANDARDS BUREAU OP FISHERIES GEOLOGICAL SURVEY 



PUBLISHED SEMI-MONTHLY 

 EXCEPT IN JULY, AUGUST AND SEPTEMBER, WHEN MONTHLY, 



BY THE 



WASHINGTON ACADEMY OF SCIENCES 



OFFICE OF PUBLICATION 



THE WAVERLY PRESS 



BALTIMORE, MD. 



