Download e-book for kindle: Darwinism: An Exposition of the Theory of Natural Selection, by Alfred Russel Wallace

By Alfred Russel Wallace

ISBN-10: 1108001327

ISBN-13: 9781108001328

Alfred Russel Wallace (1823-1913) is considered the co-discoverer with Darwin of the idea of evolution. It used to be an essay which Wallace despatched in 1858 to Darwin (whom he vastly in demand and to whom he devoted his most famed e-book, The Malay Archipelago) which impelled Darwin to put up a piece of writing on his personal long-pondered idea at the same time with that of Wallace. As a vacationing naturalist and collector within the a ways East and South the USA, Wallace already vulnerable in the direction of the Lamarckian idea of transmutation of species, and his personal researches confident him of the truth of evolution. at the e-book of at the foundation of Species, Wallace turned certainly one of its such a lot sought after advocates, and Darwinism, released in 1889, helps the idea and counters a number of the arguments recommend by way of scientists and others who adversarial it.

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Additional resources for Darwinism: An Exposition of the Theory of Natural Selection, with some of its Applications

Sample text

This has been introduced with grass seeds from England, and is very destructive. It is stated that excellent pasture was in three years destroyed by this weed, which absolutely displaced every other plant on the ground. It grows in every kind of soil, and is said even to drive out the white clover, which is usually so powerful in taking possession of the soil. In Australia another composite plant, called there the Capeweed (Cryptostemma calendulaceum), did much damage, and was noticed by Baron Von Hugel in 1833 as "an unexterminable weed " ; but, after forty years' occupation, it was found to give way to the dense herbage formed by lucerne and choice grasses.

Hence we had only a great development of solanums, talas, acacias, euphorbias, and laurels. The buttercup is replaced by the little poisonous yellow oxalis with its viviparous buds ; the passion-flowers, asclepiads, bignonias, convolvuluses, and climbing leguminous plants escape both floods and cattle by climbing the highest trees and towering overhead in a flood of bloom. The ground plants are the portulacas, turneras, and oenotheras, bitter and ephemeral, on the bare rock, and almost independent of any other moisture than the heavy dews.

The only plants that escaped the cattle were such as were either poisonous, or thorny, or resinous, or indestructibly tough. Hence we had only a great development of solanums, talas, acacias, euphorbias, and laurels. The buttercup is replaced by the little poisonous yellow oxalis with its viviparous buds ; the passion-flowers, asclepiads, bignonias, convolvuluses, and climbing leguminous plants escape both floods and cattle by climbing the highest trees and towering overhead in a flood of bloom.

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Darwinism: An Exposition of the Theory of Natural Selection, with some of its Applications by Alfred Russel Wallace


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