EVOLUTIONS OF ORGANIZATION. 25 
directly by science that consciousness does not 
exist in organisms without a proportionate amount 
of molecular action; but that is no reason for 
confounding the one thing with the other, and 
saying that consciousness zs molecular action,—a 
statement which conveys no meaning. 
And just as consciousness is not to be confused 
with the molecular actions associated with it in 
organisms, so life is something else than the sum of 
the chemical and mechanical operations engaged in 
its manifestation. Its phenomena are no doubt 
mere movement in space,.and therefore allied to 
those of matter rather than to those of conscious- 
ness, but they exhibit two closely connected char- 
acters—development and heredity, to which we 
find nothing analogous in the inorganic world. 
Crystallization is not analogous to development, 
for crystallization is uniform in its intimate parts ; 
whereas the essence of development is the sequence 
of a definite series of forms entirely differing one 
from another, and heredity is the transmission of 
this remarkable property. While, then, the experi- 
ments of Pasteur and Lister conclusively prove 
that there is no such thing as spontaneous genera- 
tion in the present; the difference in character 
between development and the laws of matter makes 
spontaneous generation an inadequate hypothesis 
