Plate 27 



Fig. 1. Pseudopolymorphina ovalis Cushman and Ozawa. X 35. Miocene, 



Tortonian, Brickyard at Baden, near Vienna, Austria, a, b, side 

 views; c, basal view. 



2. Pseudopolymorphina obscura (Roemer). X 12. Upper Oligocene, 



Ahnatal, near Cassel, Germany, a, side view; b, apertural view. 



3. Pseudopolymorphina curta Cushman and Ozawa. X 60. Recent, 



Casco Bay, Me. 32 fathoms, a, side view; 6; basal view. 

 4, 5. Pseudopolymorphina spatulata (Terquem). X 35. 4, Miocene, Aqui- 



tanian superieur, St. Avit, near Mont de Marsan, France. Young. 



5, Miocene, Burdigalien inferieur, Le Coquillat, Leognan, France. 



Adult, a, side view; b, apertural view; c, basal view. 

 6, 7. Pseudopolymorphina dollfussi Cushman and Ozawa. X 35. 6, holo- 



type, Miocene, Burdigalien inferieur, Le Coquillat, Leognan, 



France, a, side view; 6, apertural view. 7, Miocene, Aquitanian 



superieur, St. Avit, near Mont de Marsan, France, a, side view; 



b, apertural view. 

 8. Pseudopolymorphina dollfussi Cushman and Ozawa var. tenuistriata 



Cushman and Ozawa. X 45. Miocene, St. Paul de Dax, near 



Bordeaux, France, a, side view; b, apertural view. 

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