Winfield Scott Hall

Winfield Scott Hall
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Author's Books:


I. GENERAL ACTIVITIES OF LIVING ORGANISMS. The casual observer, even if he watches thoughtfully the various activities of plants and animals, would hardly believe these activities capable of classification into two general classes. He notes the germination of the plant seed and its early growth, step by step approaching a stage of maturity; it blossoms, produces seed, and if it is an annual plant,... more...