356 LOUIS AGASSIZ. 



What a relaxation ! and at the same time 

 what an amount of useful work ! ' Again, a 



few months later, " You must keep me well 

 advised of your plans, and I, in my turn, will 

 try so to arrange my affairs as to find my- 

 self free in the spring of 1844 for a voyage, 

 the chief object of which will be to show my 

 oldest son the country where he was born, 

 and where man may develop free of shackles. 

 The mere anticipation of this journey is de- 

 lightful to me, since I shall have you at my 

 side, and may thus feel sure that it will make 

 an epoch in science." This letter is answered 

 from the glacier ; the first part refers to the 

 Nomenclator, in regard to which he often con- 

 sulted the prince. 



LOUIS AGASSIZ TO THE PRINCE OF CANITSTO. 



GLACIER OF THE AAR, September 1, 1842. 



... I thank you most sincerely for the 

 pains you have so kindly taken with my proof, 

 and for pointing out the faults and omissions 

 you have noticed in my register of birds. I 

 made the corrections at once, and have taken 

 the liberty of mentioning on the cover of this 

 number the share you have consented to take 

 in my Nomenclator. I shall try to do better 

 and better in the successive classes, but you 



