796 



GEOLOGY 



Fig. 535. EOCENE MOLLUSKS. a-h, Gastropods: a, /\/x//.s- (?) ////. 



Hcilprin; b, Mitra potomacensis Clark and Martin: c, rh-nmtninn ///. 

 Clark and Martin; d, P. potomacensis Chirk and Mai-tin: r, ,sY///// /wtf 

 acensis Clark and Martin; /, Tornatdlcea bcllu Conrad: // TurrHrlln t 

 toni Conrad; h, Lunatia marylandica Conrad, i-ir, r< IICI//HH/* 

 meris idoneus (Conrad); j, Dosinio/>in Icntfrnlnrix i Rogers ); /,- an 

 Venaricardia marylandica Clark and Martin; >// and //, (JorblUa nMri 

 (Continued at bottom of page 797.) 



