
























The American Naturalist. 
ASSOCIATE EDITORS: 
x A. ALLEN, PH. D., American Museum of Natural History, New York. 
= E. A. ANDREWS, Pn.D,, Johns — University, Baltimore. 
Sis WILLIAM S. BAYLEY, Pu.D., Colby Uni ne en 
— - DOUGLAS H: CAMPBELL, PH. D., Stanford U: 
J. H. COMSTOCK, S.B., Cornell Universi aci a. 
— WILLIAM M. DAVIS, M.E., Harvard University, — 
ALES HRDLICKA, M.D, U.S. Nation — , Washington. 
D. S. JORDAN, LL.D., Stanford Univers 
— CHARLES A. KOFOID, Pr D} Unter y Cali ee TER 
» ].G. NEEDHAM, PH.D., Lake Forest Univer 
ARNOLD E. ORTMANN, PED. 2. seum, Pittsburg. 
xs P. PENHALLOW, D.Sc, F.R.M.S., McGi// ree ty, Montreal. 
j York 
— ERWIN F. SMITH, S.D, U.S. Department of Agriculture, Ioka 
LEONHARD STEJNEGER, LL.D. ehren Institution, Washington. 
OW. TRELEASE, S.D., Missouri Zlotimical Garden, St. Louis. 
.— HENRY B. WARD, Pu. D., University of Nebraska, Lincol 
— WILLIAM M. WHEELER, PH.D., American Museum of Natural History, 
: New York, 
THE AMERICAN NATURALIST i is an illustrated monthly magazin 
of vary History, and will aim to present to its readers the leading 
facts and discoveries in Anthropology, General Biology, Zoology, 
Boy, Duleontblogs, Geology and Physical Geography, and Miner- 
eT ist 

is es, reports of a ‚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 
points of interest, editorial comments on scientific questions of the 
y, critical reviews of recent literature, and a- quarterly record of 
appoi tments, retirements, and deaths. 
| naturalists who have anything interesting to say are invited 
in heir contributions, but the editors will endeavor to select - 

e written so as to be intelligible, instructive, and interesting 
to the e general scientific reader. | 
All ipts, books for review, exchanges, etc., should be 
nt to to Tre AMERICAN NATURALIST, Cambridge, Mau - >= 
sine rauen - should be sent t direct to the 
1 subaeription, $4.00, not, in advance, Single copie, 25 cen 
repe en 
& = í com M PAN Y, Pus BLISHERS. 




