Abstract
THE author presents in a stately form a detailed account of his theory of the Arachnid origin of vertebrates. He has worked at this persistently since 1884, and in the course of his investigations has made important contribu tions to our knowledge of Limulus and the Ostracoderms. No one will withhold admiration who looks into the details of comparative anatomy, histology, and embryology with which this large and finely illustrated volume is filled, for Prof. Patten has spared no labour in his en deavour to test what seems to him to be an approximate solution of the problem of the evolution of the vertebrates. It may be said at the outset that his theory is quite different from Gaskell's, which, in his judgment, was vitiated by the assumption that the neural surface of an Arthropod is the same as the haemal surface of a vertebrate.
The Evolution of the Vertebrates and their Kin.
By Dr. William Patten. Pp. xxi + 486; illustrated. (London: J. and A. Churchill, 1912.) Price 21s. net.
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The Evolution of the Vertebrates and their Kin . Nature 91, 79–80 (1913). https://doi.org/10.1038/091079b0
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DOI: https://doi.org/10.1038/091079b0
