VI CONTENTS OF VOL. II. 



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 . . . 624 



CHAPTER XXII. 



1868-1871: ^t. 61-64. 



New Subscription to Museum. — Additional Buildings. 

 — 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 . 668 



CHAPTER XXIII. 



1871-1872: ^t. 64-65. 



Sailing of the Hassler. — Sargassum Fields. — Dredg- 

 ing 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 



