88 LAMARCK, HIS LIFE AND WORK 



be objected that this view will not apply to minerals, 

 because those of the archaean 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. 



