96 TERTIARY SERIES. 
each to its own enjoyment of the pleasures of 
existence, and placing it in due and useful 
relations to the animal and vegetable kingdoms 
by which it was surrounded. 
Every comparative anatomist is familiar with 
the beautiful examples of mechanical contri- 
vance and compensations, which adapt each 
existing species of herbivora and carnivora to 
its own peculiar place and state of life. Such 
contrivances began not with living species : the 
geologist demonstrates their prior existence in 
the extinct forms of the same genera which he 
discovers beneath the surface of the earth, and 
he claims for the Author of these fossil forms 
under which the first types of such mechanisms 
were embodied, the same high attributes of 
Wisdom and Goodness, the demonstration of 
which exalts and sanctifies the labours of sci- 
ence, in her investigation of the organizations 
of the living world. 
