Image from page 138 of "Water reptiles of the past and present" (1914) (14770671344)

Identifier: waterreptilesofp1914will
Title: Water reptiles of the past and present
Year: 1914 (1910s)
Authors: Williston, Samuel Wendell, 1851-1918
Subjects: Aquatic reptiles
Publisher: Chicago, Ill., The University of Chicago Press
Contributing Library: Boston Public Library
Digitizing Sponsor: Boston Public Library



Text Appearing Before Image:
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Text Appearing After Image:
Fig. 60.—Mcsosaurus; life restoration, after McGregor, the posture of hind legslightly modified. Since the proganosaurs were purely fresh-water or terrestrial ani-mals, one can only wonder how they crossed from Africa to America,or, what is more probable, how they migrated from America to 128 WATER REPTILES OF THE PAST AND PRESENT