Vol. II August 19, 1921 No. 14 



JOURNAL 



OF T£tB 



WASHINGTON ACADEMY 

 OF SCIENCES 



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 Robert B. Sosman S. F. Blakb Sidney Paigb 



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H. V. Haioan p. B. SilsbbB 



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N. HOI.USTER G. W. STOSE 



BIOLOGICAL 90CIBTY OBOLOOICAL SOCIETY 



S. A. ROHWBR J- R. SWANTON 



BNTOMOLOOICAL SOCIBTT AKTHROPOLOOICAL 80CIBTY 



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Entered as Second Class Matter, January 25, 1919, at the post-office at Easton, Pa., under the 



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