Cliv CORRELATIOX OF MAKYLAKD MIOCEXE 



extent a surprise, both by the presence of some species and the absence 

 of others, the latter chiefly those which survived into the Pliocene. 

 Some of the groups which are peculiar to a portion of the Miocene and 

 do not occur throughout the system will be particularly missed. Doubt- 

 less the more thorough exploration of the southern Miocene will furnish 

 material for modifying the list to some extent, but as far as our present 

 knowledge goes it is emphatically characteristic of the epoch. 



Drillia limatula Conrad. 



Cancellarid carolinensis Emmons. 



Scaphella trenliolmii (Tuomey and Holmes). 



Fasciolaria rliomboidea Eogers. 



Busycon coronatum Conrad. 



Busy con incile (Conrad). 



Ecpliora quadricostata (Say)." 



Fusus exilis Conrad. 



AnguineUa virginica Conrad (worm tube?). 



Cassis (Sconsia) liodgei Conrad. 



Vrucibnlum constrictum Conrad. 



Polynices (Lunatm) imrspectivus (Rogers). 



Polynices (Neverita) percaUosus (Conrad). 



Calliostoma philan thro pus (Conrad). 



Dentalium carolinense (^'onrad. 



DentaUum attenuatum Say. 



Cadulus thalhis (Conrad). 



Yoldia Icevis (Say). 



Area (Barhatia) centenaria Say. 



Area {Scapharca) scalaris Conrad. 



Area (Scapharea) suhrostrata Conrad. 



Area (Noetia) ineile Say. 



Atrma harrisii Dall. 



Peeten madisonius Say. 



Modiolus ducaieli Conrad. 



Margantaria abrupta (Conrad). 



Pandora {Clidiopliora) erassidens Conrad. 



5 Including all tbe varieties and excluding the Bapana which has been too hastily 

 united with it. 



