- Sele 7 VOl. SXIX. - No.2 
PLUGICAL SOCIETY 
OF ONTARIO 
No. LT EGERBOS. - 
er oe: 
bil 
» vis 
inet Ot, 
Me ee 
i 
" 
1 
sor. 
ee o 
sh Le 
i ilo beh 
Me ‘ 
/p 
pn = Benjamin Dann Walsh 
NE Ee ee 1808-1869, 
PHILIP P. CALVERT, Ph.D., Editor. 
» _ _E. T, CRESSON, jr., Associate Editor. 
HENRY SKINNER, M.D.,-Sc.D., Editor Emeritus. 
sare ApDvisory COMMITTEE: 
_ . BZRA T. CRESSON. J. A. G. REHN. 
pee PHILIP LAURENT, ERICH DAECKE. H, W. WENZEL. 
PHILADELPHIA: | 
THE ACADEMY OF NATURAL SCIENCES, 
LOGAN SQUARE. 
Entered at the Philadelphia Post-Office as Second-Class Matter. 
