X CONTENTS OF VOL. I, 



tions with Arnold Guyot. — Their Work together in 

 the Alps. — Letter to Sir Philip Egerton concerning 

 Glacial Work. — Summer of 1839. — Publication of 

 « Etudes surles Glaciers" 276 



CHAPTER X. 



1840-1842: jet. 33-35. 



Summer Station on the Glacier of the Aar. — Hotel 

 des Neuchatelois. — Members of the Party. — Work 

 on the Glacier. — Ascent of the Strahleck and the 

 Siedelhorn. — Visit to England, — Search for Glacial 

 Remains in Great Britain. — Roads of Glen Roy. — 

 Views of English Naturalists concerning Agassiz's 

 Glacial Theory. — Letter from Humboldt. — Winter 

 Visit to Glacier. — Summer of 1841 on the Glacier.' 



— Descent into the Glacier. — Ascent of the Jung- 

 frau 298 



CHAPTER XL 

 1842-1843: ^t. 35-36. 



Zoological Work uninterrupted by Glacial Researches. 



— Various Publications. — "Nomenclator Zoologi- 

 cus." — " Bibliographia Zoologise et Geologiae." — 

 Correspondence with English Naturalists. — Corre- 

 spondence with Humboldt. — Glacial Campaign of 



1842. — Correspondence with Prince de Canino con- 

 cerning Journey to United States. — Fossil Fishes 

 from the Old Red Sandstone. — Glacial Campaign of 



1843. — Death of Leuthold, the Guide . . . 333 



CHAPTER XII. 



1843-1846: .et. 36-39. 



Completion of Fossil Fishes. — Followed by Fossil 

 Fishes of the Old Red Sandstone. — Review of the 

 Later Work. — Identification of Fishes by the Skull. 



