The American Naturalist. 



ASSOCIATE EDITORS: 

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

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

 WILLIAM S. BAYLEY, Ph.D., Colby University, Waterville 

 CHARLES E. BEECHER, Ph.D., Fa/, University, New Haven 

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

 J. H. COMSTOCK, S.B., Cornell 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 University. 



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



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



ARNOLD E. ORTMANN, Ph.D., Carnegie Museum, Pittsburg 



D. P. PENHALLOW, S.B., F.R.M.S., McGill University, Montreal 



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



W. E. RITTER, Ph.D., University of California, Berkeley 



FRANK RUSSELL, Ph.D., Harvard University, Cambridge. 



ISRAEL C. RUSSELL, LL.D., Unh 7nn Arbor 



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



LEONHARD STEJNEGER, LL.D., Smithsonian Institution Washington 



W. TRELEASE, S.D., Missouri Botanical Garden, St. Louis ' """"P**' 



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



WILLIAM M. WHEELER, Ph.D., University of Texas, Austin. 



t VT ^HE American Naturalist is an illustrated monthly magazine 

 of Natural History, and will aim to present to its readers the leading 

 tacts and discoveries m 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 

 P r tS ??; " tere ^ edlt ? nal comments on scientific questions of the 

 oay, critical reviews of recent literature, and a quarterly record of 

 gifts, appointments, retirements, and deaths. 



All naturalists who have anything interesting to sav are invited 

 to send in their contributions, but th/editorS^CdSTtoSS 

 samft n tt° 7 that W K CH ^ ° f Sdentific value and at the 



toX^cS^S^^!"^^ i0StrUCtive > and interesting 



sent f fl \~£ b °M S f ° r revi6W ' exchan ^s, etc., should be 



sent to The American Naturalist, Cambridge, Mass. 



«„MifhL communications should be sent direct to the 



GINN & COMPANY, Publishi 



