CONTENTS OF VOL. I. 



CHAPTER I. 

 1807-1827: TO ,ET. 20. 



Birthplace. Influence of his Mother. Early Love 

 of Natural History. Boyish Occupations. Do- 

 mestic Education. First School. Vacations. 

 Commercial Life renounced. College of Lausanne. 



Choice of Profession. Medical School of Zurich. 



Life and Studies there. University of Heidel- 

 berg. Studies interrupted by Illness. Return to 

 Switzerland. Occupations during Convalescence . 1 



CHAPTER II. 

 1827-1828: ,ET. 20-21. 



Arrival in Munich. Lectures. Relations with the 

 Professors. Schelling, Martius, Oken, Dbllinger. 



Relations with Fellow - Students. The Little 

 Academy. Plans for Traveling. Advice from 

 his Parents. Vacation Journey. Tri-Centennial 

 Diirer Festival at Nuremberg ..... 46 



CHAPTER III. 

 1828-1829: ,ET. 21-22. 



First Important Work in Natural History. Spix's 

 Brazilian Fishes. Second Vacation Trip. Sketch 



