xl INTRODUCTION. 



traction and repulsion ; centripetal and cen- 

 trifugal forces, or universal gravitation, all 

 imply a power or powers in action, that are 

 something more than names and nonentities, 

 that are moving in two directions, and consist 

 of antagonist forces. 



If we consult Holy Scripture with the 

 view of ascertaining whether any or what 

 terms are therein employed to express the 

 same powers, we shall find that generally 

 speaking, the word heaven, or the heavens, 

 and symbolically the cherubim, are used for 

 that purpose. But upon this subject, which 

 has considerable bearing upon the doctrine of 

 instinct, I shall enlarge in a subsequent part 

 of this introduction. 



Having stated Lamarck's hypothesis with 

 respect to nature, the Goddess which he 

 worshipped, and which he decked with divine 

 attributes and divine power, I shall, as briefly 

 as possible, give some account of his theory 

 of life. Life indeed is a subject that hath 

 puzzled, doth puzzle, and will puzzle philoso- 

 phers and physiologists, probably till time 

 shall be no more. Thus much, however, 

 may be predicated of it, that both in the 

 vegetable and animal, like heat, it is a radiant 



