Darwin's Probabilities : a Review of His "descent of Man."
The book Darwin's Probabilities : a Review of His "descent of Man." was written by author W J William James Linton Here you can read free online of Darwin's Probabilities : a Review of His "descent of Man." book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Darwin's Probabilities : a Review of His "descent of Man." a good or bad book?
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. . Lastly, one single member of the immense and diversified class of fishes, the lancelot or amphioxus, is so different from other fishes that Hackel maintains it ought to form a distinfl class in the vertebrate kingdom," . It presents "some affinities with the Ascidians, invertebrate, herm- aphrodite, marine creatures, permanently attached to a support. They hardly appear like animals, consisting of a simple, tough, leathery sack, with two small pro- jefting orifices. They belong to the Mollu...scoida, a lower division of the great kingdom of the Mollusca ; but they have recently been placed by some naturalists among the Vermes or worms. Their larvae somewhat PROBABILITIES II resemble tedpolts in shape, and have the power of freely swimming about." It has lately been observed that these larvae "are related to the Vertebrata," and "it seems that we have at last gained a clue to the source from which the Vertebrata were derived. We should then be justified in believing that at some ex- tremely remote period a group of animals existed, — resembling in many respects the larva* of our present Ascidians, which diverged into two great branches, the one retrograding in development and producing the present class of Ascidians, the other rising to the crown and summit of the animal kingdom by giving birth to the Vertebrata." [//.
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