88 LAMARKCK, HIS LIFE AND WORK 
be objected that this view will not apply to minerals, 
because those of the archzan rocks do not differ, and 
have undergone no change since then to the present 
time, unless we except such minerals as are alteration 
products due to metamorphism. The primary laws 
of nature, of physics, and of chemistry are unchange- 
able, while change, progression from the generalized 
to the specialized, is distinctly characteristic of the 
organic as opposed to the inorganic world. 
