586 THE POPULAR SCIENCE MONTHLY 



stein. The tables are free to students working under the supervision of 

 the directors, but independent investigators pay an annual fee of 1,000 

 crowns. About fifty workers are here engaged in investigations each 



Fig. 2. Terraeidm. 



year. At present the staff of the institution is as follows: zoological 

 section, director, Dr. Przibram, assistants, Drs. Kammerer and 

 Megusar; botanical section, directors, Dr. Figdor and Eitter v. Port- 





Fig. 3. Outdoor Terraria. 



heim, assistants, Herr Froschel and Herr Freund; physico-chemical 

 section, director, Professor Pauli, assistant, Herr Schorr; fresh-water- 

 investigations, Herr Brunnthaler. 



