FIFTH JURASSIC PERIOD. 



Synopsis of the Animal Kingdom (exclusive of the Annulata) during the 

 Fifth Jurassic Period. 



362. An example of the polyparia of this period is shown in 

 figs. 160, 161*, 162. 



Fig. 161*. 



Upper surface. Lower surface. 



Anabacia orbulites (Polyparia). 



Together with new species of Pterodactyles, fig. 156, there 

 lived in the seas of this period not less strange reptile forms, to 

 which the names Poecilopleuron, Teleosaurus, and Megalosaurus 



have been given. 



85 



