PLATE CII. 
PAQE 
Figs. 1, 2. OsTREA PERCEASSA Coiirad 382 
1. Exterior of upper valve. Magruder Ferry. x % 
2. Interior of lower valve. Same locality. X % 
Fig. 3. Melina maxillata (Deshayes) 383 
3. Exterior of right valve. Plum Point. X % 
