CONTESTS. 
ee a Cr ees kL eae Set 
| XLV.—Digestion Experiments ; by A, Po Arueey,.-3 2 
: XLVI.—Massive Saffion nites LeRoy W. McCay... 0.5023 
eal se abhieig of glass; by O. T. SueRMan,.-.------ 
e mean density ‘of ‘the earth, 
ree by eb agae er ee 
_Measuremen t of 
P 
Arr. XLIV.—E} asticity of Tees by Joun TRrowsriper and 
A Rat 
ie ey vat of Photography to Electrical Measure- 
3 
ies Pe aie Cr Seah the residual elasticity and the chemi- 
a 3 
f the 
E etrical Potential of the air, M. Sere 
Force 
‘ cof early 
; thod 
y JonnN Trowpriver and H. V. Hayss,..---- 74 
XLVI, ea of alterna lating currents; by Jonny 
WBRIDGE and Cea ee ee iG 377 
XLIX. Topaz, ‘hia Stoncham, Maine; by F. W. CrarKke 
SE i UR ee oe 378 
| LL—Meridional Deflection of ‘Tee-Streams; by W.J. McGer, 386 
Lil ~Pre-aial Channel of Eagle River: by CHARLES 
Warrtn 92 
pe LUI. Age of the Slaty and Arenacecous rocks in the vicinity 
of Schenectady, N. ‘Y.; Peo POBD. o20 i foe 
SCIENTIFIC INTELLIGENCE. 
and Physics. —— a = ener solutions, Raovrt, § 399.—In 
ee ci ical rea Salts formed ae ees with 
3 ) ee t mpot uunds of 
LEJEAN, 
. Pen- 
en- 
