36 All the Articles of the Darwin Faith. 



eyes to what Mr. Darwin assures yon 's the fact. Such is 

 the entire circle of this gentleman's logic. The book is 

 full of interesting observations on natural history, 

 exhibiting more or less relevancy to the argument it seeks 

 to sustain ; but the induction never advances a step 

 without a confession of logical defectiveness. We are 

 treated to tendencies, and probabilities, and conjectures, 

 which derive all their force from a previous assumption of 

 the point to be proved. Take away this, and there is 

 hardly a proposition in the whole work which could 

 pretend to the character of a logical conclusion. 



The gobemouches who swallow for science all that comes 

 from scientific men were confounded to hear of this secret 

 laboratory of imagination. The Times protested against 

 the notion that experimental philosophers ever draw bills. 

 But Tyndall and Darwin know better. 



Mr. Darwin's present book is a conspicuous example of 

 this utterly unscientific process. It begins by assuming 

 evolution in the exact sense which Dr. Salmon justly 

 called a scientific imagination, not a scientific fact. From 

 a plausible conjecture that some species may be modified 

 descendents of other species the very most that Darwin- 



