Variation-Statistics in Zoology. (Natural Science: A Monthly Review of Scientific Progress, Volume 15, No 93, 1899)

£16.00

11p essay in "Natural Science", contains also Notes, Fresh Facts, Massee on Cereal Rust Problem, ...

£16.00

On the Study of Plant Association (Natural Science: A Monthly Review of Scientific Progress, Volume 14, No 84, 1899)

£20.00

15p essay in "Natural Science", with illustrations, contains also Notes, Fresh Facts, George ...

£20.00

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