Invitation to Professorships at Geneva and Lausanne.—Death of his
Father.—Establishment of Lithographic Press at Neuchatel.
—Researches upon Structure of Mollusks.—Internal Casts of Shells.
—Glacial Explorations.—Views of Buckland.—Relations with Arnold
Guyot.—Their Work together in the Alps.—Letter to Sir Philip
Egerton concerning Glacial Work.—Summer of 1839.—Publication of
"Etudes sur les Glaciers."
CHAPTER 10.
1840-1842: AGE 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 Jungfrau.
CHAPTER 11.
1842-1843: AGE 35-36.
Zoological Work uninterrupted by Glacial Researches.—Various
Publications.—"Nomenclator Zoologicus."—"Bibliographia Zoologiae
et Geologiae."—Correspondence with English Naturalists.
—Correspondence with Humboldt.—Glacial Campaign of 1842.
—Correspondence with Prince de Canino concerning Journey to United
States.—Fossil Fishes from the Old Red Sandstone.—Glacial
Campaign of 1843.—Death of Leuthold, the Guide.
CHAPTER 12.
1843-1846: AGE 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.—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
Professor 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.