LIFE 



597 



Fig. 499. MIOCENE GASTROPODS (one Scaphopod): a, Turritclla variabilis 

 Conrad; b, Scala sayana Dall; c, Nassa marylandica Martin; d, Terebra unilineata 

 Conrad; e, Solarium Irilineatum Conrad;/, Cancellaria alternata Conrad; g, Siircitlii 

 biscatenaria Conrad; h. Calliostoma pliilaiithropns (Conrad); i, AcUeon shilohtnsis 

 \\ 'hitfu-ld; j, Oliva litlcrala Lamarck; k, Retusa (Cylichnina) conulus (Deshayes); /, 

 Conus diluvianus Green; m, Polynkes (Neverita) duplkatus (Say); n, Fissuridca 

 Continued on next page. 



