W. A. Norton—Molecular and Cosmical Physics. 329 
the ordinary formula for deflection, and to show the ee, 
of introducing a new term, which proved to be in ta pegs 
with the conception adopted of the mechanical con fe 
solid, and at variance with that generally amare: ae 
same notion of the solid state, also led to the apparent detec 
1 the inaccuracy of 
transverse stress.* hese served to revea : 
ance of Angee given of electro-magnetic ee acege 
dynamic phenomena, has derived support ee ss Professor 
recent pens and delicate experiments made by 
Alfred M. Mayer. : ; 
Tt may be aided that the fundamental hypothesis be aj tee 
ral mutual repulsion of atoms of matter, is 1n cepa se vi 
ance with what a distinguished physicist terms the, “modern 
idea that matter consists of a force of resistance 
nter,” 
- Matte 
three varieties ; viz., ordinary or gross 1a 
rectly recogn 
filling pear 
and pervading the interstitial spaces of all bodies of ordimary 
ee nt of Science, 
* See Proceedings of the American Association for the Advanceme 
7 to 63 
. e following re- 
+ Prof. Mayer, in his paper on the er Pie es apart cba of dynamic 
. al he r, a are me / i ron 
induction given tr: Prof W. A. Norton (in this Jour., Jan., apt Fork TG oat 
Molecular Physics, affords a simpler and more satisfactory exp: 
than any heretofore framed.” 
