PEEFACE xi 



It should be stated that Mrs. Agassiz in no 

 way authorises the interpretation of Agas- 

 siz'' s scientific creed, which will be found in 

 the only chapter which is not narrative. 

 Messrs. Houghton, Mifflin & Co. have 

 Jcindly permitted the reprinting of Longfel- 

 low's poem, u On the Fiftieth Anniversary 

 of Agassiz." 



A. B. G. 



BOSTON, Noyember, 1900. 



