53 Bui,i.E^iN I (53) 



BxPIvANATlON OF PlyATE) I 



Fig. I. Meretrix perovata, var. aldrichi, nov. var Page 48 



2. Cancellaria priama, nov. sp. 49 



3. Caricella claibornensis Harris 49 



4. Amauropsis perovata Conrad 49 



5. Meretrix cornelli, nov. sp 49 



6. Mesalia vetusta Conrad 50 



