THE 
AMERICAN NATURALIST, 
An illustrated Wlagazine 
NATURAL HISTORY. 
EDITED BY 
EDWARD D. COPE AND Ag ai C. KENYON, 
(January to August 
AND 
ROBERT P. BIGELOW, 
(September to December.) 
ASSISTED BY 
E. A. aeoiee G. BAUR, W. S. BAYLEY, C. E. BEECHER, C. E. BESSEY, 
oe amp J. H. Comstock, W. M. Davis, A. C. GILL, 
. S. JORDAN, H. C: MERCER, C. PALACHE, H. M. 
RICHARDS, W. E. RITTER, F. RUSSELL, E. F. 
SMITH, W. TRELEASE, H. C. WARREN, 
S. WATASE, C. M. WEED. 
VOLUME XXXI 
PHILADELPHIA, U. S. A. 
THE EDWARDS & DOCKER CO., 
1897. 
