PLATE XXVI. 



Goniomya nionfanaensis Meek. 

 Fig. 1. — Exterior view of valve. 



Goniomya, sp. 



Fig. 2. — View of incomplete specimen. 



Behmnitrs curtus, n. sp. 



Fig. 3. — Specimen split to show the structure. 



Pleuromya suhcompressa Meek. 



Figs. 4, 7, 8. — Three views of shell. 



Pholadomi/a robnsta, n. sp. 



Figs. .5, 6. — Views of two individuals. 



Bflrmmtcs (bnsux Meek and Hayden. 



Fig. 9. — View of average-size specimen. 



