The American Naturalist 
ASSOCIATE EDITORS: 
J. A. ALLEN, Pu.D., American Museum of Natural History, New York. 
E. A. ANDREWS, PH.D., Johns Hopkins University, Baltimore. 
WILLIAM S. BAYLEY, Pu.D., Colby University, Waterville. 
CHARLES E. BEECHER, Pu.D., Yale University, New Haven. 
DOUGLAS H. CAMPBELL, Pu.D., Zeland an inr University, Cal. 
WILLIAM M. DAVIS, M.E., Harvard Universis, is indde. 
ALES HRDLICKA, M.D., Vew York Cit 
D. S. JORDAN, LL.D., Leland Stanford Tinie University, California. 
CHARLES A. KOFOID, PH.D., University of Illinois, Urbana, Lil. 
J. G. NEEDHAM, PH.D., Lake Pores University. 
ARNOLD E. ORTMANN, Pu.D., Princeton University. 
D, P. PENHALLOW, S.B., F.R.M.S., McGill University, Montreal. 
H. M. RICHARDS, S.D., Columbia University, New 
W. E. RITTER, PH.D., University of California, Berkeley. 
FRANK RUSSELL, PH.D., Harvard University, Cambridge 
ISRAEL C. RUSSELL, LL.D., University of Michigan, hon Ar 
ERWIN F. SMITH, S.D., U. S. Department of Agriculture, Washington. 
LEONHARD STEJNEGER, Smithsonian Institution, Washington 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Louis. 
HENRY B. WARD, PH.D., University of Nebraska, Lincoin. 
S. WATASE, PH.D., Danast of Chicago. 
THE AMERICAN NatuRAList is an illustrated monthly magazine 
of N ssi History, and will aim to present to its readers the leading 
facts 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 
scien mntific:ne ws and eal notices s. 
All naturalists who have anything interesting to say are invited 
o uscripts, books for review, exchanges, etc., should be 
— sent to THE pens NATURALIST, Cambri e, M 
= All busines 
lass. 
ess communications should be Sent direct to the 
5 Smear y C REE aa as an Cae z, 
* 
cn NN z COMPANY, Puprisners. 
advance, Singlo copies, 35 conte. 
