
          Cambridge 9th December 
 Evening 


 My Dear Friend


 Yours of the 3d (and at length the 
 parcels) came duly.


 Agassiz lectured first last evening, fine 
 audience. He had a cold, was very hoarse, 
 so that he spoke with discomfort to himself, but 
 it went off very well. Tho he by no means 
 did himself justice, the audience seemed well pleased, 
 and the persons I [crossed out: have spoken] spoke with at the 
 time, the most intelligent people, were quite delighted 
 and impressed. He has repeated to-day. 
 I expect to hear him again on Friday. 


 The Flora Brasiliensis you will find is on the 
 same sort of paper as the former parts.


 I have 16 proofs of Genera Illustrata.
 The engraving is clean and neat, but, except a 
 few of the last, they are not done so well as 
 we expect, and do not do justice to the drawings, 
 which, indeed, are almost matchless. Prestele 
 has, in some, altered the arrangement of the analyses 
 on the plate. Consequently they must be done over again. 


 I am clear that Prestele can do what I want, 
 so I have given him further instructions, and have raised his 
        