Describes formation of student nature study club at the University of Jena. Sends birthday greetings from the club.
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Describes formation of student nature study club at the University of Jena. Sends birthday greetings from the club.
Arrived in Brazil three months ago. Studying insects and plants, but work suffers from lack of scientific literature.
Fritz Müller has written to him to observe relations between ants and plants.
Writing popular articles about evolution for German newspaper in Brazil.
Sends paper from Kosmos.
Expects to spend several years in Brazil.
Thanks for gift of Movement in plants.
Plans botanical research in Brazil.
Hermann von Jhering is conducting experiments on snakes.
WB obliged to work as newspaper correspondent.
Plans breeding experiments on dimorphic plants.
Describes his collections and research on Brazilian insects, especially Orthoptera. Comments on insect phylogeny.