ae Minted 
HG cs 
Esty 
a ig Be 
ao 7 
SE Bidicscal. 
— Medal) 2 
“BTOMOLOCICAL 
Vol. XXVIII. | No=Z. 
| 
| 
| 
= : John Lawrence Le Conte, 
eae 1825-1883, 
~ PHILIP P. CALVERT, Ph.D., Editor. 
E. T. CRESSON, Jr., Associate Editor. 
HENRY SKINNER, M.D.,Sc.D., Editor Emeritus. 
ADVISORY COMMITTEE: ~ 
EZRA T. CRESSON. J. A. G. REHN. © 
PHILIP LAURENT, ERICH DAECKE, H. W. WENZEL. 
PHILADELPHIA : 
THE ACADEMY OF NATURAL SCIENCES, 
LOGAN SQUARE. 
BS ae Entered at the Philadelphia Post-Office as Second-Class Matter. 
