Plate 22 



Figures 1, 2. Cibicides concentrica (Cushman). X 50. Off southeastern 

 United States, a, a, dorsal views; 6, h, ventral views; c, c, 

 peripheral views. 

 3-7. Cibicides pseudoungeriana (Cushman) . X 50. Off east coast of 

 United States, a, a, a, a, a, dorsal views; /j, b, b, b, b, ventral views; 

 c, c, c, c, c, peripheral views. 



167 



