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LEAFLET 9.PLATE IV.
EVOLUTION OF FISH TO MAMMAL-LIKE REPTILE.
1, FISH. 2, AMPHIBIAN. 3, REPTILE. 4, MAMMAL-LIKE REPTILE.
(Figs. 1, 2, after Klaatsch, 3, based on Williston, 4, based on Gregory).
Drawings by Sharat K. Roy.
PRINTED IN THE UNITED STATES OF AMERICA
BY FIELD MUSEUM PRESS
Transcriber’s Notes:
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Typographical and punctuation errors have been silently corrected.