i860.] ANDREW MURRAY. 26l 



in Tertiary deposits. I was in a muddle, for I was thinking 



of Secondary, yet Chthamalus applied to Tertiary 



Possibly you might like to see the enclosed note * from 

 Whewell, merely as showing that he is not horrified with us. 

 You can return it whenever you have occasion to write, so as 

 not to waste your time. 



C. D. 



C. Darwin to C. LyelL 



Down [January 4th ? 1860], 



I have had a brief note from Keyserling.f but not 



worth sending you. He believes in change of species, grants 

 that natural selection explains well adaptation of form, but 

 thinks species change too regularly, as if by some chemical 

 law, for natural selection to be the sole cause of change. 

 I can hardly understand his brief note, but this is I think 

 the upshot. 



I will send A. Murray's paper whenever published.} 



* Dr. Whewell wrote (Jan. 2, copy : " But the second, and, as it 

 1860) :"...! cannot, yet at least, appears to me, by much the most 

 become a convert. But there is so important phase of reversion to 

 much of thought and of fact in type (and which is practically, if 

 what you have written that it is not altogether ignored by Mr. Dar- 

 not to be contradicted without win), is the instinctive inclination 

 careful selection of the ground and which induces individuals of the 

 manner of the dissent." Dr. Whe- same species by preference to inter- 

 well dissented in a practical manner cross with those possessing the 

 for some years, by refusing to allow qualities which they themselves 

 a copy of the ' Origin of Species ' want, so as to preserve the purity 

 to be placed in the Library of or equilibrium of the breed. . . . 

 Trinity College. It is trite to a proverb, that tall 



t Count Keyserling, geologist, men marry little women ... a man 



joint author with Murchison of the of genius marries a fool . . . and 



' Geology of Russia,' 1845. See we are told that this is the result 



Prof. Geikie's ' Life of Murchison.' of the charm of contrast, or of 



% The late Andrew Murray qualities admired in others because 



wrote two papers on the ' Origin ' we do not possess them. I do not 



in the Proc. R. Soc. Edin. 1860. so explain it. I imagine it is the 



The one referred to here is dated effort of nature to preserve the 



Jan. 16, 1860. The following is typical medium of the race." 

 quoted from p. 6 of the separate 



