Fair. Hardback book in good condition, but missing dust jacket if issued one. First blank page removed by the prior owner. Prior library book with normal library markings. Some light discoloration on the cover.
Very good. pp. xvii, 419, 113 text-figures and photos. Publisher's blue cloth with orange cloth title box, lg 8vo. Translated from the German edition of 1954. The object of this book is to examine critically all special factors and rules concerning transspecific evolution, to determine their validity, and to explore the possibility of interpreting them by the evolutionary mechanisms that are known to science. Dobzhansky, who wrote the foreword, describes this "as one of the great books which has appeared since 1940." From the library of George H. Beatty, III with his oval bookplate on the first endpaper. A bright and clean in near fine condition.
Fair. No Jacket. Type: Ex-Library Text in English (419 pages). Ex-library. Fair condition, somewhat loose binding, unmarked pages. No dust jacket. Translation of Neuere Probleme der Abstammungslehre (2. Auflage). The greater part of this book was written in the last years of the war. The intention was to outline the major rules governing the processes of evolution. The author wanted to attempt a causal explanation, partly based on new material, with the intention of proving that very probably the major trends of evolution are brought about by the same factors that bring about race and species formation. Bookshelf S-75. Keywords: Biology; Evolution; Life Sciences; Non-Fiction; Phylogeny; Science; Zoology.
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