The American Naturalist. 
ASSOCIATE EDITORS: 
J. A. ALLEN, PH.D., American Museum of Natural History, New York. 
D. S. JORDAN, LL.D., Stanford Univers: 
CHARLES A. KOFOID, Pu.D., Dii of Illinois, Urbana. 
J. G. NEEDHAM, PH.D., Lake Forest University. 
ARNOLD E. ORTMANN, PH.D., Princeton University. 
D. P. PENHALLOW, S.B., F.R.M.S., Mec Gili University, Montreal. 
H. M. RICHARDS, S.D., Columbia University, Ni 
W: E. RITTER, PH.D., University of California, Boks. 
FRANK RUSSELL, Pu.D., Harvard University, Cambridge. 
ISRAEL C. RUSSELL, LI. D., University of Michigan, Ann Arbor. 
HENRY B. WARD, PH.D., University of Nebraska, Lincoln. 
WILLIAM M. WHEELER, PH.D., University of Texas, Austin. 
THE AME RICAN NATURALIST i is an illustrated monthl 
D rca reports of scientific expeditions, biographical notices of 
. distinguished naturalists, or critical summaries of progress in some - 
line; i oti in ome to these there will be briefer puc on PI E 
e to Wadi in no peace but the editors will endéavUE. to select 
tor publication only that which is of truly scientific value mis at. the 
. Same time written so as to be intelligible, instructive, and in 
to the general scientific reader. 
o All manuscripts, books for review, exchanges, etc., should. be 
: sent to THE AMERICAN NATURALIST, Cambridge, Mass. 
publ scd business communications should be sent direct to de 
pe a 
; : e Anual subscription, $4. 00, ui. lin ad advance. massed copies, 35 conte. 
- Foreign subscription, $4.60. 
Bens 
