NO. 4 FORAMINIFERA — CUSHMAN 7I 



PLATE 10 



Fig. I. Discorbis bcrtheloti (d'Orbigny). X 25. a, dorsal view; b, ventral 

 view ; c, side view. 



2. Cymbalopora pocyi (d'Orbigny). X 50. a, dorsal view ; b, ventral view ; 



c, side view. 



3. Tretomphalus bulloides (d'Orbigny) . X 5o. a, dorsal view ; b, ventral 



view ; c, side view. 



