CHAPTER 7.. 1832-1834: Age 25-27.

1832-1834: AGE 25-27.

Enters upon his Professorship at Neuchatel.--First Lecture. --Success as a Teacher.--Love of Teaching.--Influence upon the Scientific Life of Neuchatel.--Proposal from University of Heidelberg.--Proposal declined.--Threatened Blindness. --Correspondence with Humboldt.--Marriage.--Invitation from Charpentier.--Invitation to visit England.--Wollaston Prize.--First Number of "Poissons Fossiles."--Review of the Work.