APPENDIX A. 



507 



Names of Genera. 



CIRRIPEDIA. 

 Pollicipes 



CRUSTACEA. 



Aega 



Coleia 



Cytheriua 



Eryon 



Estheria 



Glypbea 



Hippolite 



Hoploparia 



Prosopon 



Scapheus 



1NSECTA. 



See the Lists of Liassic and Stones- 

 field Insects, pp. 123 and 174. 



POLYZOA. 



Alecto 



Cricopora 



Diastopora * 



Terebellaria .... 



BRACHIOPODA. 

 Discina .... 



Lingula 



Rhynchonella 



Spirifera .... 



Terebratula .... 



MONOMYARIA. 

 Anomia .... 

 Avicula .... 

 Crenatula .... 

 Exogyra .... 

 Gastrochaena . . 



Gervillia .... 

 Gryphsea .... 

 Hinnites .... 

 Inoceramus .... 

 Lima ..... 

 Monotis .... 



Ostrea * 



Pecten 



Perna * * 



Pinna 



Placuna 



Placunopsis .... 



Plicatula V . x * , - 



Pteroperna . . * . . 



Trichites 



In pre- 

 ceding 

 Periods. 



Rhsetic 

 and ~ 

 Lias. 



Bath 

 oolite 

 Period. 



Oxford 

 oolite 

 Period. 



Portland 

 oolite 

 Period. 



In suc- 

 ceeding 

 Periods, 



