The American Naturalist 
ASSOCIATE EDITORS: 
J. A. ALLEN, PH.D., American Museum of Natural aea < York. 
E. A. ANDREWS, Pu.D., Johns Hopkins University, Balti 
WILLIAM S. BAYLEY, Pu.D., Colby University, Wate ule, 
CHARLES E. BEECHER, Pu.D., Yale University, New Haven. 
DOUGLAS H. CAMPBELL, PH.D., Leland onde Junior University, Cal. 
J. H. COMSTOCK, S.B., Cornell University, Lthac 
WILLIAM M. DAVIS, ME, Harvard Univ adversity. Čia 
ALES HRDLICKA, M.D., Mew York City. 
D. S. JORDAN, LL.D., Leland Stanford Junior University, Cali Sees 
CHARLES A. KOFOID, Pu.D., University - Tilinois, Urbana, Lh 
J. G. NEEDHAM, Pu.D., Lake F. orest Univer. 
ARNOLD E. ORTMANN, PH.D., Princeton Univer 
D. P. PENHALLOW, S.B., F.R.M.S., McGill Univer. Montreal. 
H. M. RICHARDS, S.D., Columbia University, New 
W. E. RITTER, Pu.D., University of California, pies 
FRANK RUSSELL, PH.D., Harvard University, Cambridge. 
ISRAEL C. RUSSELL, LL.D., University of Michigan, Ann ; 
ERWIN F. SMITH, S.D., U. S. Department of Agriculture, Washington. 
LEONHARD STEJNEGER, Smithsonian Institution, te ington. 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Lou 
HENRY B. WARD, PH.D., University of Nebraska, Laced 
S. WATASE, Pu.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 
distinguished naturalists, or critical summaries of progress in some 
line; and in addition to these 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 ae interesting to say are invited 
to send in their contributions, but itors endeavor to select 
for publication only that which is of fil scientific value and at the 
same time written so as to be intelligible, instructive, and interesting 
to the general scientific reader. 
All manuscripts, books for review, exchanges, etc., should be 
sent to THE AMERICAN NATURALIST, Cambridge, Mass. 
A business communications should be sent direct to the 
publishers. 
"Annual subscription, $4.00, net, in advance. aes ops, Sone. 
Anen subscription, $4.60. 
= GINN & COMPANY, | PUBLISHERS. 
