W. A. Norton on Molecular Physics. 175 
ether condensed around the atom. oe 
If, in accordance with these views, we seek for a possible origin 
of gravitation, we can find it in a primary attraction subsisting 
tween atoms of gross matter. This must be excessively fee- 
ble in comparison with “molecular forces,” and modify the ef- 
fect of those forces only by creating a slight additional pressure 
contiguous molecular atmospheres. Should we assume the 
primary actions between atoms of all kinds, to be wholly repul- 
Sive, and the effective attraction of the gross atom for both its 
etherial atmospheres to be a mere consequence of inequalities 
of repulsion, it is conceivable that the attraction of gravitation 
ere result from ethereal waves, as maintained by Professor 
Fhuiss—these waves having their origin in a dynamical equi- 
um of the atmosphere of universal ether condensed around 
each atom, 
Another eritical remark is the following. 
Ba ethereal substance according to the author, is repulsive ; 
‘w this is inconsistent with astronomical facts, as we have 
Sufliciently shown. 
