




The American Naturalist. 
ASSOCIATE EDITORS: 
~ J-A. ALLEN, Pu.D., American Museum of Natural History, New York. 
E. A. ANDREWS, Pu. D., Johns Hopkins University, Baltimore. 
M. DAVIS, M.E., Harvard U. bp. "ambu 
om ork City. 
N fi er sily. 
ARLES A. KOFOID, PH.D., University of Cali PARE Berkeley. 
3. G: NEEDHAM, PH. Se Lake Forest Oni Er Si 
ARNOLD 
, ent of. Aeneas Washington. 
LEONHARD Seer SGER, LL.D., Smith institution, Washington. 
Ww. TRELEAS SE, S.D., Missouri Botanical Garden, St. Louis. 
HENRY B. WARD, PH.D., University of Nebraska, Lincoln. 
= M. WHEELE R, BEDS University af Texas, Austin. 


HE AMERICAN N. HTURALIST i is an —— Louer. mue 
atural Histor and A im ' sent to its readers the 

