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On the Various Contrivances by Which British and Foreign Orchids are Fertilised by Insects - And on the Good Effect of Intercrossing by Charles Darwin
Category: Gardening | Series: Cambridge Library Collection - Darwin, Evolution and Genetics Ser.
In this investigation of orchids, first published in 1862, Darwin expands on a point made in On the Origin of Species that he felt required further explanation, namely that he believes it to be 'a universal law of nature that organic beings require an occasional cross with another individual'. Darwin ex ...Show more
Tropical Nature and Other Essays by Alfred Russel Wallace
Category: Science | Series: Cambridge Library Collection - Darwin, Evolution and Genetics Ser.
Sometimes referred to as 'the grand old man of science', Alfred Russel Wallace (1823-1913) was a naturalist, evolutionary theorist, and friend of Charles Darwin. In this study of tropical flora and fauna, he takes the reader on a tour of the equatorial forest belt - the almost continuous band of forest ...Show more
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