The book Essays On Evolution 1889-1907 was written by author Poulton, Edward Bagnall, Sir, 1856-1943 Here you can read free online of Essays On Evolution 1889-1907 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Essays On Evolution 1889-1907 a good or bad book?
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in the genus Mylo- thris). It should be noted, however, that the patch is not white in all species of the Dismorphina. Mr. Belt 2 states that the white patch is usually concealed by the males, as indeed may be inferred from the change in character of the surface, which indicates the normal amount of overlap of the fore upon the hind wing. The same author, believing that the white patch is ancestral and has been retained by the operation of Sexual Selection, makes the daring suggestion that it m...ay be ' an attraction in courtship, to exhibit to the females, and thus gratify a deep-seated preference for the normal colour of the order to which the Leptalides [Dismorphina] belong '. The rigid restriction of mimetic effects to those parts of the surface which can be seen tells very strongly against any theory which is not based on the principle of Selection. 7. Essential Nature of these Resemblances : their Analysis into the several kinds of Effect produced. The resemblances under discussion are made up of elements of very different kinds combined in single individuals ; but the essentially composite nature of the effect easily yields to analysis.
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