The American Naturalist. 
ASSOCIATE EDITORS: 
J. A. ALLEN, PH.D., American Museum of Natural History, im Yor£. 
E. A. ANDREWS, PH.D. , Johns Hopkins University, Baltim 
WILLIAM S. BAYLEY, Pu.D., Colby University, Waterville, 
CHARLES E. BEECHER, PH.D., Yale University, New Hav 
DOUGLAS H. CAMPBELL, Pu.D., Leland e Junior Oniversity, Cal. 
J. H. COMSTOCK, S.B., Cornell University, Atha. 
WILLIAM M. DAVIS, M.E., ate ard Un aera: Cambridge. 
ALES HRDLICKA, M.D., Vew k City. 
D. S. JORDAN, LL.D., Leland Seater Junior University, California. 
CHARLES A. KOFOID, Pu.D., University of JIlinois, Urbana, Li. 
J. G. NEEDHAM, Pu.D., Lake Forest University. 
ARNOLD E. ORTMANN, Pu.D., Princeton University. 
D. P. PENHALLOW, S.B., F.RMS, Mc Gill University, Montreal. 
H. M. RICHARDS, S.D, Colla University, New York 
W. E. RITTER, PH.D, eee of Cali ifornia, Berkeley. 
f ge. 
ISRAEL C. RUSSELL, LL.D., University of Michigan, Ann Arbor. 
ERWIN F. SMITH, S.D., U. S. Department of Agriculture, digestus 
LEONHARD STEJNEGER, Smithsonian Institution, Washington 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Louis. 
HENRY B. WARD, PHD. University of Nebraska, Lincoln, 
S. WATASE, PH.D., University of Chicago. 
THE AMERICAN NATURALIST is an illustrated monthly magazine 
of Nakai 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 ad discussions of new 
discoveries, reports of scientific expeditions, a notices of 
istinguished naturalists, or critical summaries of progress in some 
line; and in addition to these there will be briefer articles on various 
points of — 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 Md s e instructive, and interesting 
to the general scientific 
All manuscripts, sory dor review, exchanges, a should be 
sent to THE AMERICAN NaTURALIST, Cambridge, Ma 
: All business communications pni be sent ied to the 
publishers. 
Annual subscription, $4.00, net, in advance. mp 
Foreign subscription, $4.60. 
E GINN & COMPANY, PubtiSHsRS- 
