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 Apnony 
short notes of current scientific literature published in or emanating from W. 
(3) proceedings and programs of meetings of the Academy and affiliated Societion Ss 
notes of events connected with the scientific life of Washington. The JourNAL is issu: 5 
semi-monthly, on the fourth and nineteenth of each month, except during the summer ~ 
when it appears on the nineteenth 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 wall ordinarily a app ear, 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 
clearly typewritten and in suitable form for printing without essential changes. e 
editors cannot undertake to do more than correct obvious minor errors. References 
should appear only as footnotes and should inelude year of publication. 
Illustrations will be used only when necessary and will be confined to text figures 
or diagrams of simple character. The cost of producing cuts for illustrations must be 
met by the author. 
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unless requested. 1t is urged that manuscript be submitted in final form; the editors a 
will exercise due care in seeing that copy is followed. tee 
Authors’ Copies and Reprints.—On request the author of an original article will re- a” 
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Covers bearing the name of the author and title of the article, with inclusive pagi- 7 f ie 
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The rate of Subscription per volume is... ...: 4S, She ae -tekaendea ee 3. $6.00. 9am 
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Remittances should be made payable to ‘‘Washington Academy of PARES x he es 
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Exchanges—The Journat does not exchange with other publications. + Rig 
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*Volume I, however, from June 19, 1911, to December 19, 1911, will be sent for $3.00. Special rates eee 
are given to members of scientific societies affiliated with the Academy. a 
