CASE— AMPHIBIA AND PISCES 



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1. Eiyops viegacephaliis. No. 4-673 Am. Miis. X Y^. Palatal surface of a skull, showing the sutures. 



2. Eryops megacephalus . No. 4180 Am. Jlus. X %. Lateial view of a well preserved skull. 



3. Eryops megacephalus. No. 4313 Am. Mus. X X- Outer .surface of right lower jaw. 



