198 STUDIES IN GEOLOGY, No. 4 



VI 



Figs, i, 2. Gleichenia pectinata fossilia Berry. 



Fig. 2. Enlarged twice to show venation. 

 Fig. 3. Pinnule of Gleichenia pectinata Presl from the Yungas of 



Bolivia for comparison with fossil. 

 Fig. 4. Filicites elaphoglossoides Berry, X2. 

 Fig. 5. Cassia coriacea Berry. 

 Fig. 6. Cassia pisllypampensis Berry. 

 Figs. 7, 8. Pithecolobium palcanum Berry. 



Fig. 8. Restoration enlarged to show venation. 

 Figs. 9, 10. Pilocarpus bolivianus Berry. 



Fig. 10. Restoration, nat size, to show venation. 

 Fig. n. Cassia palcana Berry. 



