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POPULAR SCIENCE MONTHLY 



book would have done absolutely nothing. Asa Gray is fighting ad- 

 mirably in the United States. He is thorough master of the subject, 



which cannot be said by any means 

 of such men as even Hopkins. 



I have been thinking over what 

 you allude to about a natural his- 

 tory review. I suppose you mean 

 really a review and not a journal 

 for original communications in 

 Natural History. Of the latter 

 there is now superabundance. With 



T. H. HUXLEY. 







J. D. HOOKER. 



ASA GRAY. 



respect to a good review, there 

 can be no doubt of its value and 

 utility; nevertheless, if not too 

 late, I hope you will consider de- 

 liberately before you decide. Re- 

 member what a deal of work 

 you have on your shoulders, and 

 though you can do much, yet there 

 is a limit to even the hardest 

 worker's power of working. I 

 should deeply regret to see you sacrificing much time which could be 

 given to original research. I fear, to one who can review as well as 



