CASE— AMPHIBIA AND PISCES 



PLATE 27 



1-3. Sagenodus fossatus , dental plates, X \)4.- Am. Mus.: original of figs. 1, \a. No. 7475; originals 

 of 2 and 3, No. 7260. 



4, 4ff. Sagenodus paucicristatus. Dental plate, X 13^ Type. No. 6505 Univ. of Chicago. 



5, 5(Z. Sagenodus periprion. Left palatal plate, X 1)^. Type. No. 7474 Am. Mus. 



6, Sagenodus heterolophus^ . Incomplete dental plate, X 1%. No. 7473 Am. Mus. 



7, 7a, 8. Sagenodus vinslovi. Left palatal plates, X IX. Type. 7, 7a. No. 6507 Univ. of Chicago. 



8. A specimen from Texas; No. 7233 Am. Mus. 



9, 9a;. Side and top views of the type of Gnathorhiza serrata, No. 7258 Am. Mus. X 3. 



10, Top view oi Gnathorhiza pusilla. Type. No. 6508 Univ. of Chicago. X 3. 



11, 11a. Ceratodus favosus. Imperfect dental plate attached to a fra.gment of the splenial, X IX- 

 Type. 11, seen from above; \\a, viewed from side. No. 7230 Am. i\Ius. 



