

The American Naturalist. 
^ ASSOCIATE EDITORS: 
J. A. ALLEN, Pn.D., American Museum of Natural History, = York. 
. €. A. ANDREWS, PH.D. ‚Johns Hopkins University, Baltimor. 
WILLIAM S. BAYLEY, Pu.D., Colby University, Water 
DOUGLAS H. CAMPBELL, PH.D., Stanford Univ 
WILLIAM M. DAVIS, M.E., Harvard Univer. a, dues bridge. 
ALES HRDLICKA, M.D, U.S. S siet -— Washington. 
D. S. JORDAN, LL.D., Stanford Unive 
CHARLES A. KOFOID, PH.D., nn LG — Berkeley. 
Jj. G. NEEDHAM, PH.D., Lake Forest Univer 
ARNOLD E. ORTMANN, Pu.D., Carnegie Mode um, Pittsburg. 
D. P. PENHALLOW, D.Sc. F.R.M.S., Me Gill ex Montreal. 
H.M. RICHARDS, S.D, Columbia — New ‘R. 

le ey. 
ISRAEL C RUSSELL, EL D, iae of Michigan, Ann Arbor. 
LEONHARD STEJNEGER, LL.D., Smithsonian Institu on, Washington. 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Lou 
HENRY B. WARD, Px.D., a ae eee Poux 
i WILLIAM M. WHEELER, PH. D., n Mus cies Natural History, 
New York. 
THE AMERICAN SR is an illustrated monthly m 



















— Botany, ar, Geology and Physical Den and Miner- 
~ -alogy and _Petrography. The contents each month will consist of 
. leading original articles containing accounts and discussions of new 
: discoveries, reports of scientific expeditions, biographical notices of 
Se: nn naturalists, or critical summaries of progress in some _ 
— line; and in addition to ie there will be briefer articles on various 
Se | points = iet editorial comments on scientific questions of the 
. . day, critical reviews of recent — and a quarterly record of 
gifts, appointments, retirements, and deaths. - 
. All naturalists who have me ie to say are invited 
to send in their contributions, but the editors will endeavor to select | 
= an. only that which is of truly scientific value and at the: —— — 
=. ime written so as to be intelligible, instructive, and interesting. en, 
= the general scientific reader. = 
manuscripts, books for review, exchanges, etc., should be 
sent to THE AMERICAN NATURALIST, Cambridge, Mass. See 
aS QA. Ds communications should. be sent direct to o the es 





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