112 LOUIS AGASSrZ. 



vier. ... I think the best way of reaching 

 the various aims I have in view is to continue 

 the career on which I have started, and to pub- 

 lish as soon as possible my natural history of 

 the fresh-water fishes of Germany and Switz- 

 erland. I propose to issue it in numbers, each 

 containing twelve colored plates accompanied 

 by six sheets of letter-press. ... In the mid- 

 dle of September there is to be a meeting of 

 all the naturalists and medical men of Ger- 

 many, to which foreign savants are invited. A 

 similar meeting has been held for the last two 

 or three years in one or another of the brilliant 

 centres of Germany. This year it will take 

 place at Heidelberg. Could one desire a bet- 

 ter occasion to make known a projected work ? 

 I could even show the original drawings al- 

 ready made of species only found in the en- 

 virons of Munich, and, so to speak, unknown 

 to naturalists. At Heidelberg will be assem- 

 bled Englishmen, Danes, Swedes, Russians, and 

 even Italians. If I could before then arrange 

 everything and distribute the printed circulars 

 of my work I should be sure of success. . . . 



In those days of costly postage one sheet of 

 writing paper was sometimes made to serve 

 for several members of the family. The next 



