144 LABORATORY MANUAL FOR ELEMENTARY ZOOLOGY 



15. Dealers in supplies. Living Amoebae can be purchased from A. A. 

 Schaeffer, University of Tennessee, Knoxville, Tennessee. Other Protozoa 

 (sometimes amoeba also), Hydra, Planaria, etc., are sold by Powers & 

 Powers, Station A, Lincoln, Nebraska. All of the preserved material used 

 in the course is obtainable from the Marine Biological Laboratory, Supply 

 Department, Woods Hole, Massachusetts, and from the Chicago Biological 

 Supply House, 5505 Kimbark Ave. Chicago. The last-named firm also sells 

 live frogs and all of the microscopic preparations used in the course. 



