PLATE LXXIV. 



Page. 

 Pholadomya kingi Meek 624 



Figs. 1, 2. Two views of Meek's type (United States National Museum, No. 7815). 

 3. Left valve of unusually smooth form. 

 Pholadomya inaiquiplicata u. sp 625 



Fig. 4. Eight valve of the type. 

 Anativa punctata n. sp 628 



Fig. 5. Left valve of the type. The sculpture is somewhat restored. 

 Homomya gallatiuenaii n. sp 625 



Figs. 6, 7. Two views of the type, an internal cast. 

 Pleuromya snbcompressa Meek 626 



Figs. 8-11. Specimens showing variation iu outline and sculpture of forms assigned to this 

 species. 



646 



