BIOLOGISTS AND GENETICISTS 



PROFESSOR NILS von HOFSTEN. 



Zoologist, Uppsala. 



J /.o 1881. 



DOCENT HARRY FEDERLEY. 



Experimental Biologist, Helsingfors. 



* 22 /3 1879. 



DOCENT N. HERIBEKT-NILSSON. 



Experimental Hiologist, Lund. 



/j 1883. 



PROEESSOR OTTO ROSENBERG. 



Botanist, Cytologist, Stockholm. 



'/6 1872. 



