68 LOUIS AGASSIZ 



of species and of writings, prepared be- 

 cause such lists were wanted, though 

 such compilation and work among books 

 instead of beasts was singularly out of 

 Agassiz's vein. The geology of the 

 Jura, too, and the construction of relief 

 maps of part of Switzerland, were sub- 

 jects pursued in the " scientific factory, " 

 though by Agassiz's assistants more than 

 by himself. But far more important 

 than any of this work except the Fossil 

 Fishes were the investigations which we 

 have left to the last those studies of 

 the glaciers which have given a whole 

 new chapter to the history of the earth. 



