Prof. Flower's Hunterian Lectures on the Relation of Extinct to Existing Mammalia 1



    THE extinct Afarsupialia, Edentata, and Ungulata were treated of fully in the previous course.2 It is only proposed now briefly to recapitulate the principal results as bearing on the derivative hypothesis, and to call attention to some recent additions to our knowledge of the past history of these groups.

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