234 GEOEGE JOHN EOMANES I88I- 



mutual sterility between closely allied unique species 

 growing on the same island, with possibly unimpaired 

 fertihty between alhed species growing on different 

 islands. If this anticipation should be reahsed by 

 experiment, the fact would go far to prove my theory. 



Even if you do not happen to know of any botanist 

 who would care to undertake this experimental re- 

 search, you might possibly know of some one who 

 would gather and transmit seeds for me to grow in 

 hothouses here. 



I shall be much interested to hear what you think 

 of these proposals, and meanwhile remain 



Yours truly, 



G. J. KOMANES. 

 Geanies. 



My dear Sir, — Your book I will look forward to 

 with much interest, and certainly not least so to 

 your treatment of that very comprehensive question 

 — ' What then ? ' 



I will send you a copy of my paper on Physiological 

 Selection as soon as I return to London, which wUl 

 be about Christmas. 



With many thanks for your kindness, I remain, 

 yours truly, 



G. J. Romanes. 



May 7, 1888. 



My dear Sir, — Many thanks for sending me a copy 

 of your book,^ which seems to me everywhere admi- 

 rable. Of course, I am particularly glad that you 

 think with me so much on physiological selection, but 



'■ Evolution and Beligious Thought. 



