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Elementary Science introduction pa0b 1 Scope of the Work i
Relation to Other Branches
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Agriculture American Bulletin chipping sparrow codling moth coffee colonies color compound eyes corn corn belt cotton crops cultivation destroyed diseases early ears eggs eighth grade elementary England English sparrow exercises facts farmers feed feet fibers field flag fruit fungus given grasshopper Hairy woodpecker Hessian fly illustrations important inches inclined plane Indian insects Iroquois irrigation jackscrew land large number larvae lath lead the pupils lessons lever load locality machines maps moisture mosquito nests observations obtained Paris green plantation plants plot potatoes pounds principles procure produced pump pupa questions raised regions River scale pan school garden screw season Section seed selected soil species specimen spores stalk star-spangled banner teacher temperature tillage tion trees Type Study United valley Volume Three weather weeds weight wheat winds wings winter woodpecker wrigglers