SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 63, NO. 1, PL. 35 



FIG. 1. OPEN AIR SCHOOL ESTABLISHED BY THE CIVIC CLUB, PITTSBURGH, PENNA. STUDY 



HOUR; WARM WEATHER 



OPEN AIR SCHOOL ESTABLISHED BY THE CIVIC CLUB, PITTSBURGH. 

 HOUR; COLD WEATHER 



