CONTENTS. XI 



Renewed Correspondence with Prince Canino 

 about Journey to the United States. Change of 

 Plan owing to the Interest of the King of Prussia in 

 the Expedition. Correspondence between Profes- 

 sor Sedgwick and Agassiz on Development Theory. 



Final Scientific Work in Neuchatel and Paris. 

 Publication of " Systeme Glaciaire." Short Stay in 

 England. Farewell Letter from Humboldt. Sails 



for United States f 36S 



CHAPTER XIII. 

 1846 : JET. 39. 



Arrival at Boston. Previous Correspondence with 

 Charles Lyell and Mr. John A. Lowell concerning 

 Lectures at the Lowell Institute. Relations with 

 Mr. Lowell. First Course of Lectures. Character 

 of Audience. Home Letter giving an Account of 

 his first Journey in the United States. Impressions 

 of Scientific Men, Scientific Institutions and Collec- 

 tions 401 



CHAPTER XIV. 

 1846-1847: JET. 39-40. 



Course of Lectures in Boston on Glaciers. Corre- 

 spondence with Scientific Friends in Europe. 

 House in East Boston. Household and Housekeep- 

 ing. Illness. Letter to Elie de Beaumont. 

 Letter to James D. Dana 430 



CHAPTER XV. 

 1847-1850 : ^T. 40-43. 



Excursions on Coast Survey Steamer. Relations with 

 Dr. Bache, the Superintendent of the Coast Survey. 



Political Disturbances in Switzerland. Change 

 of Relations with Prussia. Scientific School estab- 

 lished in Cambridge. Chair of Natural History 



