174 W. A. Norton on Molecular Physics. 
rial point on another, be such that the intensity becomes pe 
finitely small at indefinitely small distances, instead of 
nitely great as imagined by Prof, Bayma, then a collection 
of aninfinite number of material points may form one 
tiable atom. Since the size of the atom may, in every 
stance, be so inappreciable in comparison with the distance 
between the nearest atoms, that there may never be any - 
quality of extraneous action on different points of oe | 
y rea- 
already seen that no inequality of elementary action, dB 
son of a difference of distance "th legitimately deducible from 
Prof. Bayma’s premises, ble,” 
5. In cing of at h ato 
no other ground was intended to be taken than that each fF 
and essentially invaria iable in form. This does not preclude z : 
idea that the atom may be an aggregation of a finite Bre 
of material points ; for it may be that the mutual ces 
matter may be a system of material points, in either 
or dynamical equilibrium, Indivisibility, taken in 
