262 LOUIS AGASSI Z. [CHAP. xi. 



William Hiiber, the librarian, with directions to con- 

 tinue the bibliographic collection of titles for Agassiz's 

 great manuscript list, forming his " Bibliographia Zool- 

 ogiae et Geologise," and then hasten to Paris to meet 

 Agassiz on his arrival there. 



The son, Alexander, then a boy of eleven years, was 

 left at Neuchatel, to pursue his studies at the College. 

 The two daughters and Mrs. Agassiz were already liv- 

 ing at Carlsruhe with Alexander Braun, the always 

 trusted friend of Agassiz and the excellent brother of 

 his wife. Having disposed as satisfactorily as possible 

 of all his affairs and the numerous persons more or less 

 dependent on him, Agassiz took his departure, with a 

 heavy heart and great anxiety as to his future. He 

 knew too well that it was impossible for him to return 

 and assume again the same position,- -a position inad- 

 equate to his wants and his aspirations as a savant and 

 as the head of a family. The world was open before 

 him, to be sure ; but all was uncertainty. However, his 

 will was strong to conquer a position ; and with that 

 determination constantly in view, he began life again at 

 the ripe age of thirty-nine years. 



After a few days passed with his family at Carlsruhe, 

 Agassiz arrived in Paris at the end of March, stay- 

 ing, as he was accustomed to do, at the old " Hotel 

 du Jardin du Roi," rue Copau (now rue Lacepede), 

 near the Jardin des Plantes. There he was received by 

 Desor and Girard, to whom were added Karl Vogt, at 

 that time a resident of the hotel, and Dickmann, one of 

 Agassiz's artists. 



At once Agassiz started several works ; first, an 



