viii ILLUSTRATIONS OF FOSSILS 



PLATE IV. Facing page 61. 



EOCENE CARDITA PLARNICOSTA 



TURRITELLA IMBRICATARIA 

 NUMMULITES L^VIGATUS 

 (Fusus) LEIOSTOMA PYRUS 



OLIGOCENE LIMN^A LONGISCATA 



PLANORBIS EUOMPHALUS 

 CYRENA SEMISTRIATA 



