'256 



THE MENDIPS: A GKOLOOrCAL R-RVERIE. 



stretching across tlie Channel into Northern Prance, and 

 receiving the waters of great rivers flowing eastwards 

 through the English and Bristol Channels. On the flats by 

 the rivers there were mares-tails in the marshes, fern a, 

 oycads and coniferous trees on the drier ground. Croco- 



diles, turtles, and fish swarmed in the waters ; leathern- 

 winged pterodactyles flitted through the air ; small mar- 

 supial animals dwelt upon the land ; and over the marshy 

 flats waddled the unwieldy Iguanodon. 



Submergence again set in, and the sea which rolled over 



