LIFE. 11 



type " arising from differences in the qualities 

 inherited and in the conditions of develop- 

 ment of the organism. 



All individuals of the same type will not 

 be identical like castings of the same metal 

 from the same mould, but must vary from each 

 other with any variation in the respective 

 influences of the several factors to which 

 they owe their existence and development. 



On the preceding facts and observations 

 we base the following working hypothesis, 

 which we propose to use as a key to further 

 discoveries, and to test by the explanation 

 it offers of various phenomena of life. 



Hypothesis. 



Life is a combination of forces that, in 

 conjunction with specific kinds of matter, 

 evolves, under favourable conditions, and 

 according to constant definite laws, animals 

 and plants. 



Every organism is evolved by a General 

 life-force in combination with a Specific life- 

 force. 



The General life -force is common to all \ 

 life, but the Specific life-force is peculiar to 

 each race, and builds up its specific type. 



The Specific life - force determines the 



