PLATF. VII. 

 Fig. i. — Linderina brugesii, Schlumberger. 



Vertical section, after Schlumberger, x 83. 

 Fig. 2. — Discorbina opercularis, var. elegans, nov., x 62. 



a. — Superior aspect. 



b. — Inferior aspect. 



<-. — Peripheral aspect. 

 FlG. 3. — Discorbina compressa, sp. nov.. x 20. 



a. — Superior aspect. 



b. — Inferior aspect. 



c. — Peripheral aspect. 

 Fig. 4. — Pulvinulina acutimargo, sp. nov., x 29. 



a. — Superior aspect. 



b. — Inferior aspect. 



c. — Peripheral aspect. 

 Fig. 5. —Pulvinulina karsteni, var. parva, nov., x 75. 



a. — Superior aspect. 



b. — Inferior aspect. 



c. — Peripheral aspect. 

 Fig. 6. — Tulvinulina haueri, var. crassa, nov., x 21. 



a. — Superior aspect. 



b. — Inferior aspect. 



c. — Peripheral aspect. 

 Fig. 7. — Amphistegina lessonii, d'Orbigny, x 25. 

 Fig. 8. — Spirillina selseyensis, Heron-Allen & Earland, x 62. 



a, b. — Lateral aspects of a young specimen. 



