nippopodium ponderosum, Sow. 

 ^ diam. Lias, Cheltenham. 



Fig. 405. 



Zeptcena 3foorei, Dav. 

 Upper Lias, Ilminster, 



Fig. 406. 



JVautilus truncatus. Lias. 

 Fig. 407. 



Ammonites 2fodotianus ? 



A. striatulus, Sow. 



Lias. 



Ammonites Bifrons, Bnu 

 A. Walcoiii, Sow. 

 Upper Lias shales. 



(6g. 408) is conspicuous. Of Ophioderma Egertoni (fig. 409), referable 

 to the Ophiurce of IMuller, peifect specimens have been met with iu the 

 raailstone beds of Dorset and Yorkshire. 



