PLATE XLIX. 
Page. 
Fig. 1. Tuyrsopreris Maagiana Heer?............--------------- ++ ------ 343 
Figs. 2, 3. ADIANTITES OROVILLENSIS Font.....------------------- MS eral a sueseeeis 344 
Fig. 3. Enlargement of a portion of Fig. 2 (twice). 
Figs. 4, 5. CLADOPHLEBIS SPECTABILIS (Heer) Font.......-.-...--+---------- 345 
Fig. 5. Enlargement of a portion of Fig. 4. 
488 
