Plate 23 



Figs. 1, 2. Pseudopolymorphina novangliae (Cushman). X 35. Off eastern 

 coast United States. 2, Fistulose form. 



3. Pseudopolymorphina suboblonga Cushman and Ozawa. X 35. 



Upper Pliocene, Okuwa, Province of Kaga, Japan, a, b, side 

 views; c, basal view. 



4. Pseudopolymorphina suboblonga Cushman and Ozawa var. jugosa 



Cushman and Ozawa. X 35. Recent, off Kobama, Japan, 

 o, side view; b, basal view. 



5. Pseudopolymorphina striata (Bagg). X 35. Miocene, Choptank 



formation, 1 mile above Governor Run, Chesapeake Bay, Md. 

 C-8. Pseudopolymorphiua soldaniiid'OTbiguy). X 35. 6, upper Oligocene, 

 Ahnatal, near Cassel, Germany. 7, 8, Pliocene, Crag noir, Ant- 

 werp, Belgium. 



168 



