Plate 9 



Figures 1, 2. S piroloculina cadiica Cushiuau. X 60. Tortugas. a, front view; 

 b, apertural view. 



3. Spiroloculina antillarum d'Orbigny. X 50. Tortugas. a, front 



view; b, apertural view. 



4. Spiroloculina antillarum d'Orbigny, var. angulata Cushnian. X 50. 



Tortugas. a, front view; b, apertural view. 



5. Spiroloculina arenata Cushman. X 60. Tortugas. a, front view: 



b, apertural view. 



6. Spiroloculina limbata d'Orbigny. After Williamson. 



7. Spiroloculina limbata d'Orbigny. X 40. From Lord Bandon, log. 



42, off S. W. Ireland, a, front view; b, side view; c, apertural 

 view. 



8. Spiroloculina depressa d'Orbigny. X 24. After H. B. Brady, a, 



front view; b, apertural view. 



9. Spii-oloculina depressa d'Orbigny. X 40. Off Ph-mouth, England. 



a, front view; b, side view; c, apertural view. 



10. Spiroloculina depressa d'Orbigny, var. rotundata Williamson. After 



Williamson. 



11. Spiroloculina depressa d'Orbigny, var. cymbia Williamson. After 



Williamson. 

 110 



