252 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 6 



All illustrations were made by Miss Mary E. Taylor. 



EXPLANATION OF PLATE 29 



Figs. 



L Buliminella curia Cushman. x65. a, ventral view; h, apertural 

 view ; c, ventral view of another specimen. 



2. Buliminella hrevior Cushman. x65. a, ventral view ; h, dorsal 

 view ; c, apertural view. 



3. Buliminella bassendorfensis Cushman and Parker. x65. a, ven- 

 tral view; b, dorsal view; c, apertural view. 



4. Buliminella elegantissirna (d'Orbigny). x85. a, ventral view; 

 b, dorsal view; c, apertural view. 



5. Buliminella 'elegantissima (d'Orbigny) var, limbosa Cushman 

 and McCuIloch, new variety. xlOO. Holotype. a, ventral view; 

 b, dorsal view; c, apertural view. 



6. Buliminella elegantissima (d'Orbigny) var. tenuis Cushman and 

 McCulloch, new variety. x85. Holotype. a, ventral view; 

 b, dorsal view ; c, apertural view. 



7. Buliminella parallela Cushman and Parker. x95. a, ventral 

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



8. Buliminoides ivilliamsoniana (H. B. Brady). x65. a, ventral 

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



9. Robertina austriaca Reuss. x65. a, ventral view ; b, dorsal 

 view ; c, end view. 



10. Robertina californica Cushman and Parker. x90. a, ventral 

 view ; b, dorsal view ; c, end view. 



