30 All the Articles of the Darwin Faith. 



ally to recite to Uncle Toby. ' " There was a certain king 

 of Bohemia," said Trim ; " but in whose reign except his 

 own, I am not able to inform your honour.' " Uncle Toby 

 was more accommodating than we are able to be from a 

 scientific point of view. But we recommend the gracious 

 permission he accorded to the corporal as a most appropri- 

 ate motto for speculations of this kind. ' " Leave out the 

 date entirely, Trim," said my Uncle Toby.' In almost 

 similar language * There was a certain Monkey/ says Mr. 

 Darwin ; of that he is quite sure, and he frequently reiter- 

 ates the assurance ; ' There was a certain monkey ; but in 

 what period or country, except his own, I am not able to 

 inform my readers.' The certainty, unfortunately, is hy- 

 pothetical, and the particular monkey unknown." 



" We are at a loss to understand the value of all this 

 complicated guess-work. It represents a kind of Ptole- 

 maic theory of creation heaping supposition on supposition 

 and multiplying cycles of action as each supposition 

 requires to be supplemented. It is the most conspicuous 

 example yet afforded of that ' use of the imagination in 

 science,* on which professor Tyndall dilated with such un- 

 scientific enthusiasm last autumn. Mr. Darwin's imagi- 

 nation is inexhaustible, and his power in this respect con- 



