1858-64.] JULES SOUCHARD. 135 



caution possible in this first experiment of sending liv- 

 ing marine animals across the Atlantic ; but owing to 

 adverse circumstances, not only the long and protracted 

 journey over the Atlantic, but also the journey from 

 Liverpool to Havre, only two hundred live specimens 

 of Venus mcrcenaria arrived at La Houge de Saint- 

 Waast, on the island of Tatihou, in the marine aquarium, 

 near Normandy's coast, Havre. 



Burkhardt was presented to Napoleon at the Tuile- 

 ries, who thanked him for the part he had taken in the 

 difficult task of conveying such an unusual cargo ; and 

 Agassiz received through his friend Souchard the im- 

 perial thanks and the cross of officer of the Legion 

 d'honneur. The failure did not discourage further 

 experiments. On the contrary, the difficulties encoun- 

 tered by Burkhardt were taken into consideration ; and 

 other cargoes were sent across in 1862, with complete 

 success, by a lieutenant of the French navy, M. Philippe 

 de Broca, sent for that special purpose by the Secretary 

 of the Navy. M. de Broca carefully followed all the 

 instructions and advice given to him by Agassiz ; and 

 although two-thirds of the animals sent over at different 

 times during his stay in the United States died on the 

 voyage, a third of them, about ten thousand specimens, 

 arrived alive and in tolerably good condition. 



Agassiz much enjoyed the society of Jules Souchard, 

 the French consul, and he and Agassiz arranged a 

 weekly meeting half-way between their two houses. 

 Every Sunday afternoon each set forth from his home 

 at the same hour, and walked toward the other until 

 they met. Then they continued the walk together as 



