AMERICAN NATURALIST 
ASSOCIATE EDITORS: 
J. A. ALLEN, Pu. D, American Museum of Natural n ” York. 
E. A. ANDREWS, PH.D., Johns Hopkins University, Balti 
WILLIAM S. BAYLEY, PH.D., Colby University, Waterville.. 
CHARLES E. BEECHER, Pu.D., Yale Universi ew Haven 
DOUGLAS H. CAMPBELL, PH. D, Leland Stanford Junior Tivi i, Cal. 
J. H. COMSTOCK, S.B., Cornell University, [thac 
WILLIAM M. DAVIS, M.E., Harvard meiri: ‘Canbridge 
D. S. JORDAN, LL.D., Leland Stanford Junior University, California. 
CHARLES A. KOFOID, Pu.D., University of Illinois, Urbana, Til. 
D. P. PENHALLOW, S.B., F.R.M.S., McGill University, Montreal. 
H. M. RICHARDS, S.D., Columbia University, New York. 
W. E. RITTER, Pu.D., University of California, Berkeley. 
FRANK RUSSELL, Pu.D., Harvard University, Cambridge. 
ISRAEL C. RUSSELL, LL.D., akerit of Michigan, Ann 
ERWIN F. SMITH, S.D., U. S. Department of Agriculture, Waskington: 
LEONHARD STEJNEGER, Smithsonian Institution, S — n. 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Loui 
S. WATASE, PH.D., University of Chicago. 
THE AMERICAN NATURALIST is an illustrated monthly magazine 
of Natural History, and will aim to present to its readers the leading 
facts and discoveries in Anthropology, General Biology, Zoology, 
Botany, Paleontology, Geology and Physical Geography, 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 
dta ak te naturalists, or critical summaries of progress in some 
line; and in addition to tiese there will be briefer articles on various 
points of interest, editorial comments on scientific questions of the 
day, critical reviews of recent literature, and a final department for 
scientific news and personal notices. 
All naturalists who have anything interesting to say are invited 
to send in their contributions, but the editors will endeavor to select 
for publication only that which is of truly scientific value and at the 
same time written so as to be intelligible, instructive, and interesting 
to the general scientific reader. 
All manuscripts, books = bra Dickin a should be 
sent to THE AMERICAN NATURALIST, Cambridge, 
All business a ia should be a drect to the 
publishers. 
_ Annual subsoription, $4.00, net, in advance, Single copios, 35 cents. 
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