470 LOUIS AGASSIZ. 



have B. eburneus. All the above species at- 

 tain a somewhat larger average size on the 

 shores of the United States than on those of 

 Britain, but the specimens from the glacial 

 beds of Uddevalla, Scotland, and Canada, are 

 larger even than those of the United States. 



Once again allow me to thank you with cor- 

 diality for the pleasure you have given me. 



Believe me, with the highest respect, your 

 truly obliged, 



C. DARWIN. 



The following letter from Hugh Miller con- 

 cerning Agassiz's intention of introducing 

 "The Footprints of the Creator" to the 

 American public by a slight memoir of Miller 

 is of interest here. It is to be regretted that 

 with this exception no letters have been found 

 from him among Agassiz's papers, though he 

 must have been in frequent correspondence 

 with him, and they had, beside their scientific 

 sympathy, a very cordial personal relation. 



EDINBURGH, 2 STUART STREET, May 25, 1850. 



DEAR SIR, I was out of town when your 

 kind letter reached here, and found such an 

 accumulation of employment on my return 

 that it is only now I find myself able to devote 



