CHAPTER 1

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1807-1827: TO AGE 20.

Birthplace.--Influence of his Mother.--Early Love of Natural History.--Boyish Occupations.--Domestic Education.--First School. --Vacations.--Commercial Life renounced.--College of Lausanne. --Choice of Profession.--Medical School of Zurich.--Life and Studies there.--University of Heidelberg.--Studies interrupted by Illness.--Return to Switzerland.--Occupations during Convalescence.

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