. Revision of the Amphibia and Pisces of the Permian of North America. l-Za, Spliarolepis arctata (Cope). 1, la, lb. Complete dentigerons ]ilate, in upper, nnder, and side views, natural Co., 111. No. 6512 Univ. of Chicago, 2, 2a. Fragmentary dentigerous iilate, in upper and side views. X 2. Type. VermilionCo., 111. No. 6511 Univ. of Chicago. 3-35. Megalichthys nitidus (Cope). X -■;3. Head of type specimen viewed from in front (fig. 3(r), from below (fi,g. 3) and fromthe right side (fig. ib). Texas. No. 7239 Am. Mus. CASE—AMPHIBIA AND PISCES

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Keywords: ., bookcentury1900, bookdecade1910, bookidc, booksubjectpaleontology