Plate 9 



Figures 1. Elphidium lessonii (d'Orbigny). 

 h, apertural view. 

 2. Elphidium lessonii (d'Orbigny). X 40. (After H 

 Challenger Station 315A, Falkland Islands. 



(After t3^pe figure.) a, side view; 

 B. Brady.) From 



3, 4. Elphidium lessonii (d'Orbigny). 



5. Elphidium, sagrum (d'Orbigny). 



b, apertural view. 



6. Elphidium sagrum (d'Orbigny). 



view; b, apertural view. 



7. Elphidium lanieri (d'Orbigny). 



b, ai^ertural view. 

 66 



X 60. From Falkland Islands. 

 (After type figure.) a, side view; 



X 60. From Porto Rico, a, side 



(After type figure.) a, side view; 



