CONTENTS. XV 



Systematic arrangement — Coutiuued. 

 Ga stropoda — Continued. 



Order Prionodesmacea — Continued. 



Family Veneriidae — Continue*!. Page. 



Genus Antigona 147 



tarquinia I47 



glyptoconcha 148 



(Artena) sliepardi 148 



Genus Chione 148 



(Liropliora) ballista 149 



(Chamelea) nuciforniis 149 



spada 149 



rhodia 149 



Genus Anomalocardia 150 



floridana 150 



Genus Venus 150 



lialidona 150 



Family Tellinidae 151 



Genus Telliua 151 



segregata 1,51 



cliipolana 151 



dira 151 



(Macaliopsis) meruln 152 



(Merisca) halidona 152 



(Angulus) atossa 153 



Genus Maconia 153 



irma 153 



Family Semelidae 154 



Genus Semele 154 



sardouica 154 



silicata 154 



Family Corbulidae 154 



Genus Corbula 154 



(Cuneocorbula) burnsii 155 



sarda 155 



kagbriuna 155 



Family Saxieavidae : 156 



Genus Panope 156 



wWtfleldl 156 



Family Gastrocbaenidae 150 



Genus Gastrocbaena 156 



rotunda 157 



Foramiuifera 157 



Genus Orbitolites 157 



floridanu.s 157 



Corals 157 



Explanation of plates 159 



Index 16» 



