PRELIMINARY COURSE OF STUDY xi 



January. — Common winter resident birds ; beaks and feet ; bones 

 and featliers. Page 144. 



February. — Migrant birds from the north. Page 164. 



March. — Earthworms; robin, bluebird, blackbird; bird migra- 

 tions, — causes and phenomena. Excursions. Page 184. 



April. — Moths; butterflies; beetles; bees. Excursions. Page 

 236. 



May and June. — Insects and other animals brought in by chil- 

 dren. Excursions. Page 236. 



STONES 



March. — Soil ; mica ; sand ; clay ; quartz ; feldspar ; pebbles. 

 Excursions. Page 177. 



April. — Granite; gneiss; mica schist; soil. Excursions. Page 

 196. 



May and June. — Stones brought in by the children. Excur- 

 sions. Page 254. 



