460 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 51. 



EXPLANATION OF PLATES. 



Note. The figures in these plates were all made natural size, but by an unfortu- 

 nate error they have been slightly reduced. 



Plate 79. 



Otozamiies ptcrophjlloides Brongniart. Cat. No. 34,994, U.S.N.M. 



Plate 80. 



Fig. l.—Pterophyllum rajmahalense Morris. l"at. No. 34,995, U.S.N.M. 



2—Ctenophyllum angustifoliuvi? Fontixine. Cat. No. 34,996, U.S.N.M. 

 S,—Pterophyllwn aequale (Brongniart) Nathorst. Cat. No. 34,997, U.S.N.M. 



Plate 81. 



Fig. l.—Pagiophyllumfalcatum Bartolin. Cat. No. 34,998, U.S.N.M. 

 2—Sagenopteris?, species. Cat. No. 34,999, U.S.N.M. 

 ^.—Cladophlebis hirtal Moller. Cat. No. 35,000, U.S.N.M. 

 4,,—Nilssonia polymorpha Schenk. Cat. No. 35,001, U.S.N.M. 

 5^ Q,— Otozamiies bomholmierms? Moller. Cat. Nos. 35,002, 35,003, U.S.N.M. 



Plate 82. 



Figs. 1-4.— Dictyopkyllum nilssoni (Brongniart) Goppert. Cat. Nos. 35,004, 35,005, 

 35,006, 35,007, U.S.N.M. 

 5,—Otozamitea, species. Cat. No. 35,008, U.S.N.M. 



