262 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 6 



EXPLANATION OF PLATE 31 



Figs. 



1. Bulimina patagonica d'Orbigny van glabra Cushman and 

 Wickenden. x70. a, ventral view; b, dorsal view; c, aper- 

 tural view. 



2. Bulimina exilis H. B. Brady van tenuata (Cushman). x70. 

 a, ventral view ; b, dorsal view ; c, apertural view. 



3. Bulimina barbata Cushman. x65. a, ventral view; b, dorsal 

 view; c, apertural view. 



4. Bulimina (Desinobulimina) auriculata Bailey. x60. a, ventral 



view ; b, apertural view ; c, ventral view of another specimen. 



5. Globobulina pacifica Cushman. x30. a, ventral view; b, dorsal 

 view ; c, apertural view. 



6. Reussella pacifica Cushman and McCulloch, new species. x60. 



Holotype. a, side view ; b, apertural view. 



7. Reussella aequa Cushman and McCulloch, new species. x60. 

 Holotype. a, side view; b, apertural view. Paratypes. c, side 

 view; d, side view. 



