OUTDOOR EQUIPMENT 331 
its paths become better turfed, and its surrounding plant- 
ingsdevelop. It was made bya few weeks of labor on the part 
of two students, and it cost less than ten dollars for materials. 
Gathering places for larger numbers may be made on the 
same general plan. The author once took a class in natural 
history out to a small grove, and set the members studying 
the trees and the slopes with a view to locating and arranging 
therein, with the least possible disturbance to the wild wood, 
an outdoor auditorium for public addresses, concerts and 
sylvan plays. The result is the simply arranged natural 
amphitheater shown in fig. 140: A isthe floor plan; Bis 
fe eS 
ge » A Stage | as op 
=~ green sward 
Fie. 140. Diagram of an outdoor auditorium. 
