OF GEOLOGICAL D YNAMICS. 1 1 1 



" limited bank of time, ready to discount any 

 " quantity of hypothetical paper." 



In the Catastrophism of Leibnitz, Newton, 

 Sedgwick, Phillips, Hopkins, Forbes, Murchison, 

 and many other true geologists, which is in no 

 respect different as a geological doctrine from that 

 now described by Professor Huxley under the new 

 name " evolutionism," there has been no " unlimited 

 bank of force." And it is because the whole 

 amount of energy existing in the earth has always 

 been essentially finite, that physical science sup- 

 ports their theory, and rejects, as radically opposed 

 to the principles of natural philosophy, the 

 uniformitarianism described by Professor Huxley 

 in the passage just quoted. 



28. Professor Huxley concludes thus : " My 

 " functions, as your advocate, are at an end. I 

 " speak with more than the sincerity of a mere 

 ;{ advocate when I express the belief that the case 

 " against us has entirely broken down. The cry 

 " for reform which has been raised from without, 

 " is superfluous, inasmuch as we have long been 

 " reforming from within with all needful speed ; 



