[DAWSON ] 



FOSSIL SPON(iES Trass. 1896. Sec. IV.— Platb II- 



Fk;. 5. 



Fui. 0. 



Fk;. 



Fiu. «. 



Fig. f). — Cru.shed specimen of Protosjjtini/iu corunntu, fiicnisliMl with pyrite. 

 (Natural size.) 



Fig. 0.— ymiiiltT perfect specimen of tlie same. (Natural size.) 

 Fig. 7.-7'. cy((fliifurniis. (Nulural size.) 

 Fig. 8.— Tlie same. Youug specimen enlarged. 



12B 



