INDUCTIONS IMPROPERLY SO CALLED. 369 



required from the conception than that it shall serve 

 to connect the observations, would be to substitute 

 hypothesis for theory and imagination for proof. The 

 connecting link must be some character which really 

 exists in the facts themselves, and which would 

 manifest itself therein if the conditions could be 

 realized which our organs of sense require. 



What more may be usefully said on the subject of 

 Colligation, or of the correlative expression invented 

 by Mr. Whewell, the Explication of Conceptions, and 

 generally on the subject of ideas and mental repre- 

 sentations as connected with the study of facts, will 

 find a more appropriate place in the Fourth Book, on 

 the Operations Subsidiary to Induction : to which the 

 reader must refer for the removal of any difficulty 

 which the present discussion may have left. 



VOL. i. 2 B 



