The American Naturalist 



J. A. ALLEN, Ph.D., Afnerican Museum of Natural History, New York 

 E. A. ANDREWS, Ph.D., Johns Hopkins University, Baltimore 

 WILLL\M S. BAYLEY, Ph.D., Colby University, WaterviUe 

 DOUGLAS H. CAxMPBELL, Ph.D., Stanford University 

 J. H. COMSTOCK, S.B., C<yrmll University, Ithaca. 

 WILLIAM M. DAVIS, M.E., Harvard University, Cambridge 

 ALES HRDLICKA, M.D., U. S. National Museum, Washington 

 D. S. JORDAN, LL.D., Stanford UniversUy 

 CHARLES A. KOFOID, Ph.D., University of California, Berkeley 

 J. G. NEEDHAM, Ph.D., Lake Forest University 

 ARNOLD E. ORTMANN, Ph.D., Car7i€gie Museum, Pittsburg 

 D. P. PENHALLOW. D.Sc, F.R.S.C., McGUl University, Montreal 

 H. M. RICHARDS, S.D., Columbia University, New York 

 W. E. RITTER, Ph.D., University of Calif oi-nia, Berkeley 

 ERWIN F. SMITH, S.D., U. S. Department of Agriculture, Washington 

 LEONHARD STEJNEGER, LL.D., Smithsonian Institution, Washington 

 W. TRELEASE, S.D.. Missouri Botariical Garden, St. Louis 

 HENRY B. WARD, Ph.D., University of Nebraska, Lincoln 

 WILLIAM M. WHEELER, Ph.D., Ayncrican Museum of Natural History, 

 New York 



The Americax Naturalist is an illustrated monthly magazine 

 of Natural Hi.story, 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 



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 quarterly record of 

 gifts, appointments, retirements, and deaths. 



All naturalists who have an\ihing interesting to say are invited 

 to send in their contributions, but the editors ^-ill 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 for review, exchanges, etc., should be 

 sent to The American Naturalist, Cambridge, Mass 



All business communications should be sent direct to 



Foreign subscription, $4.60 



GINN & COMPANY, Publishers 



