CHAPTER III · THE VARIABILITY OF SPECIES IN A STATE OF NATURE

From Darwinism: An Exposition of the Theory of Natural Selection by Alfred Russel Wallace.

Importance of variability--Popular ideas regarding it--Variability of the lower animals--The variability of insects--Variation among lizards--Variation among birds--Diagrams of bird-variation--Number of varying individuals--Variation in the mammalia--Variation in internal organs--Variations in the skull--Variations in the habits of animals--The variability of plants--Species which vary little--Concluding remarks

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CHAPTER III · THE VARIABILITY OF SPECIES IN A STATE OF NATURE: Darwinism: An Exposition of the Theory of Natural Selection by Alfred Russel Wallace | amphi