By Theodosius Dobzhansky, Max K. Hecht, William C. Steere

ISBN-10: 146849063X

ISBN-13: 9781468490633

ISBN-10: 1468490656

ISBN-13: 9781468490657

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112(2):125-190. [Cf. ] 1957c. [Review of: The Dentition of the Australopithecinae, by J. T. ] Science, 125:817. 1957d. Australian fossil penguins, with remarks on penguin evolution and distribution. Rec. , 13(1):51-70. 1957e. [With C. S. Pittendrigh and L. H. ] Life: An Introduction to Biology. , 845 pp. ] 1957f. [Review of: Modern Science and the Nature of Life, by William S. ] Natural History, 66(6):286-287. 1957g. [Review of: The Species Concept in Palaeontology. 2: A symposium. P. C. ] Science, 125:1151.

Chamber's Encyclopaedia, 1950 edition, 10:252. 1950z. Species. Chamber's Encyclopaedia, 1950 edition, 13:65-66. 1950aa. [Two short comments on zoning of the Pleistocene and age of a fauna from Texas, in The Vertebrate Fauna and Geologic Age of Trinity River Terraces in Henderson County, Texas, by J. W. Stovall and W. N. ) Amer. Midland Naturalist, 44(1):242-243. 1950bb. [Four short articles in PaIeontologie et Transformisme, by C. Arambourg, L. -P. Grasse, J. B. S. Haldane, J. Piveteau, G. G. Simpson, E.

Some neozoologists also use biogeographic data to support their opinion regarding polarity within a morphocline. This approach is unreliable, however, as all organisms with either relict or continuous distributions are mosaics of different character states that range from primitive to advanced. Similarly, the fossil record for most groups of organisms is too incomplete to allow the assumption that relative stratigraphic position is necessarily indicative of morphocline polarity. It therefore seems to us that polarity, at least initially, should be determined on the basis of comparative morphology, even within such a well-documented series as Hyracotherium-to-Equus.

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Evolutionary Biology: Volume 6 by Theodosius Dobzhansky, Max K. Hecht, William C. Steere

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