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On the Variation of Species,with Especial Reference to the Insecta
The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom
The Different Forms of Flowers on Plants of the Same Species
Geographic Variation in Red-backed Mice (Genus Clethrionomys) of the Southern Rocky Mountain Region
Geographic Variation in the Harvest Mouse,Reithrodontomys megalotis,On the Central Great Plains And in Adjacent Regions
Problems of Genetics
Subscribe to Variation
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