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, BaUimore 

 WLLLIAK S. BAYLEY, Ph.D., Colby University, WaterviOe 

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

 J. H. COMSTOCK, S.B., ComeU University, Ithaca. 

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

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

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

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

 J. G. NEEDHAM, Ph.D., Cornell UniversUy 

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

 D. p. PENHALLOW, D.Sc, F.R.S.C, McGUl UniversUy, Montrexd 

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

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

 ERWIN F. 8IHITH, S.D., U. S. DepaHmeni of AgricuUure, Washington 

 LEONHARD STEJNEGER, LL.D., SmUhsonian InstUution, Washington 

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

 HENRY B. WARD, Ph.D., UniversUy of Nebraska, Uncoln 

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

 New York 



The American Naturalist is an illustrated monthly i 

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

 facts and discoveries in Anthropology. , General Biology Zoo o^, 

 Botany, Paleontology', Geology and Pi^y^^^l.^S^f P^^^f °:^„^nf 

 alogy and Petrography. Thh contents each month will ^^nsist of 

 leading original articles containing accounts and discissions of new 

 discovlries, reports of scientific expeditions, biographical notices of 

 distinguished Naturalists, or critical summaries of P^f ^ some 

 line; Ind in addition to these there will be bnefer articles on vano^s 

 points of interest, editorial comments on scientific qjf^.^ions of the 

 Say, critical reviews of recent literature, and a quarterly record ot 

 gifts, appointments, retirements, and deaths. invited 



Afl naturalists who have anything interesting ^ say are in^ted 

 to send in their contributions, but the editors ynU ^^^eavor ^ ^e^^^^ 

 for pubUcation onlv that which is of truly scientific value and at m 

 same time written W as to be intelligible, mstmctive, and interesting 

 to the general scientific reader. . u yl^j be 



All manuscripts, books for review, fphan^s, etc., stioma 

 . nt to The American Naturalist, Cambndge, Ma^ 



All business communicitions should be sent duwt to tiie puu 



GINN & COMPANY, Publish] 



