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ING EDITO 
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ASSOCIATE EDITORS: 
Pror. W. 8. y 
PRON, + a 
Dr. C. of The Universit 
DR. ERWIN, F. E MIT H, Washington 
PROF. C. M 
ROF, E re REV WS, of. 
H. C. MERCER, x the aiai o 
Pror. H. C. 
mam 
(LEY, of Colby University, aba’ ae) Me., 
sae Cornell Daiveraity’ Ithaca, N 
of Nebr 
uy. Dep t. 
k ED, of Colleg S — New itantpsblre, Durham 
nsylvania, D 
WARREN, Princeton University, Princet na 
Dr. C. O. WHITMAN, of Chicago University, Chicago, Til. 
t. of Petrography. 
tomology. 
esas Baltimore, Ma, "Dept of Embryology: 
or 
thro ey 
Nod, tae f Ps ychology. 
, Dept. of Microscopie ; 
1867 30th YEAR. 1896 
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