CONTENTS. xiii 



the Work. Its Reception in Europe and America. 



Letters from Humboldt and Owen concerning it. 



Birthday. Longfellow's Verses. Laboratory 

 at Nahant. Invitation to the Museum of Natural 

 History in Paris. Founding of Museum of Com- 

 parative Zoology in Cambridge. Summer Vaca- 

 tion in Europe ........ 533 



CHAPTER XIX. 



1860-1863 : JET. 53-56. 



Return to Cambridge. Removal of Collection to New 

 Museum Building. Distribution of Work. Re- 

 lations with his Students. Breaking out of the 

 War between North and South. Interest of Agas- 

 siz in the Preservation of the Union. Commence^ 

 ment of Museum Publications. Reception of Third 

 and Fourth Volumes of "Contributions." Copley 

 Medal. General Correspondence. Lecturing Tour 

 in the West. Circular Letter concerning Anthro- 

 pological Collections. Letter to Mr. Ticknor con- 

 cerning Geographical Distribution of Fishes in Spain 564 



CHAPTER XX. 

 1863-1864: ^T. 56-57. 



Correspondence with Dr. S. G. Howe. Bearing of 

 the War on the Position of the 'Negro Race. Af- 

 fection for Harvard College. Interest in her Gen- 

 eral Progress. Correspondence with Emerson con- 

 cerning Harvard. Glacial Phenomena in Maine . 591 



CHAPTER XXI. 

 1865-1868 : MT. 58-61. 



Letter to his Mother announcing Journey to Brazil. 

 Sketch of Journey. Kindness of the Emperor. 

 Liberality of the Brazilian Government. Corre- 



