Journal of the Washington Academy of Sciences 
This JourNat, the official organ of the Washington Academy of Sciences, aims to 
present a brief record of current scientific work in Washington. To this end it publishes: — 
(1) short original papers, written or communicated by members of the Academy; (2) 
short notes of current scientific literature published in or emanating from Washington; 
(8) proceedings and proeane of meetings of the Academy and affiliated Societies; (4 
notes of events connected with the scientific life of Washington. The JourNAL is issue 
semi-monthly, on the fourth and nineteenth of each month, except during the summer 
when it appears on the nineteegth only. Volumes correspond to calendar years. Prompt 
publication is an essential feature; a manuscript reaching the editors on the eighth or 
the twenty-fourth of the month will ordinarily appear, on request from the author, in 
the issue of the Journau for the following fourth or nineteenth, respectively. 
Manuscripts may be sent to any member of the Board of Editors; they should be 
clearly typewritten and in suitable form for printing without essential changes. The 
editors cannot undertake to do more than correct obvious minor errors. References 
should appear only as footnotes and should include year of publication. 
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The rate of Subscription per voluvie' #9.) o 2 va 2s, ss Oe oe ewes home ewes $6.00* 
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Monthly’ numbetes 52770 iso slic aa Das dae a BE PE i i ene .50 
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