IN the paper referred to below the author deals Very fully with the various colour variations observable in the species of the genus under notice, and a very interesting account is given of the ...
Evolution, Vol. 64, No. 2 (February 2010), pp. 324-335 (12 pages) The remarkable diversity of coloration and species present in hummingbirds has been considered the result of sexual selection. I ...
THE American Naturalist of June and July contains an article by Mr. E. M. Hasbrouck on “Evolution and Dichromatism in the Genus Megascops,” in which he deals with the distribution of the genus in ...
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