1 Volume T
Em I'ONIAI $, ' ,
A Dinstint, .
(iNN 1,114 . 74 CAIRUPit, .
THB PHOC:IOP01 OF SCIIICNCII,
Tit SIKHROSCOPR,
The Pennsylvania State College, State College, Pa.
', POBRLITCRY, 18'90.
' CONTENTS.
\ll, ,
0116'111,;"''
I . P Ct.
yht
41r/ t .
'
- ' ,4 ,
Onte.-
ENE=
266 COMMUNICATIONS,
lai PHRSONA LS,
El EXC.:UAW:PS?
268 COI.I BC .E Onan.,
270