XIV 



CONTENTS. 



spondence with Charles Sumner. Letter to his 

 Mother at Close of Brazil Journey. Letter from 

 Martius concerning Journey in Brazil. Return to 

 Cambridge. Lectures in Boston and New York. 

 Summer at Nahant. Letter to Professor Peirce 

 on the Survey of Boston Harbor. Death of his 

 Mother. Illness. Correspondence with Oswald 

 Heer. Sumner Journey in the West. Cornell 

 University. Letter from Longfellow , $24 



CHAPTER XXII. 

 1868-1871 : ^T. 61-64. 



Hew Subscription to Museum. Additional Building^ 

 Arrangement of New Collections. Dredging 

 Expedition on Board the Bibb. Address at the 

 Humboldt Centennial. Attack on the Brain. . 

 Suspension of Work. Working Force at the Mu- 

 seum. New Accessions. Letter from Professor 

 Sedgwick. Letter from Professor Deshayes. Re- 

 stored Health. Hassler Voyage proposed. Ac- 

 ceptance . Scientific Preparation for the Voyage , 66P 



CHAPTER XXIII. 

 1871-1872: ^T. 64-65. 



Sailing of the Hassler. Sargassum Fields. Dredgw 

 iug at Barbadoes. From the West Indies to Rio 

 de Janeiro. Monte Video. Quarantine. Glacial 

 Traces in the Bay of Monte Video. The Gulf of 

 Mathias. Dredging off Gulf of St. George. 

 Dredging off Cape Virgens. Possession Bay. 

 Salt Pool. Moraine. Sandy Point. Cruise 

 through the Straits. Scenery. Wind Storm. ~ 

 Borja Bay. Glacier Bay. Visit to the Glacier. 

 Chorocua Bay 697 



