NEW PLANS OF TRAVEL. 689 



heaven, and see such visions of God's glory in 

 the moral and material universe, as shall re- 

 duce to a mere germ everything which has 

 been elaborated by the skill of man, or re- 

 vealed to God's creatures. I send you an old 

 man's blessing, and remain, 



Your affectionate friend, 



ADAM SEDGWICK. 



In November, 1870, Agassiz was able to re- 

 turn to Cambridge and the Museum, and even 

 to resume his lectures, which were as vigorous 

 and fresh as ever. So entirely did he seem to 

 have recovered, that in the course of the win- 

 ter the following proposition was made to 

 him by his friend, Professor Benjamin Peirce, 

 then Superintendent of the Coast Survey. 



FROM PROFESSOR PEIRCE. 



COAST SURVEY OFFICE, WASHINGTON, ? 

 February 18, 1871. > 



... I met Sumner in the Senate the day 

 before yesterday, and he expressed immense 

 delight at a letter he had received from 

 Brown - Sequard, telling him that you were 

 altogether free from disease. . . . Now, my 

 dear friend, I have a very serious proposition 

 for you. I am going to send a new iron sur- 



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