Plate X. 



Jurassic riants. 

 Nien-tzu-kou (Shêng-ching). 



Fig. 1. Czelcanowskia 3Inrrai/aiia (Linul. et Hutt.). 



Lung-wang-tung (Ssu-ch'uang). 



Fig. 2. Schhoncura hœrcnsis (IIisfnger) ? 

 Fig. 3. EquLsctaceœ. 



