SCHOOL CxARDEN NUMBER 



mT0i;E-3TODY qeVieu 



% Devoted to Elementary Science in the Schools 



Vol. 16 No. .S :\IARCH, 1920 Whole No. 134 



One year (nine issues) ?1.00. 15c per copy 

 OFFICIAL ORGAN OF 



American Nature 



Nature's perfection in the vState of Washington 



