PLATE XCII. 



Planorbulina. — Truncatulina. 



Diam. Page 



Figures 1-3. — Planorbulina mediterranensis, d'Orbigny, . x 35-45 656 



Fig. 2 a, Superior (attached) lateral aspect; tigs. 1, 

 2 6, 3, inferior (free) aspect; fig. 2 c, peripheral 

 aspect. 



,, 4. — Planorbulina acervalis, n. sp., . . x 35 657 



„ 5, 6. — Planorbulina larvata, Parker and Jones, . x 35 658 



Fig. 5. Adherent specimen. 



Fig. 6. a, Superior aspect; b, inferior aspect; c, peri- 

 pheral aspect. 



,, 7-9. — Truncatulina refulgens, Montfort, sp., . x 30 659 



Figs. 7, 8. a,a, Superior aspect; 6,6, inferior aspect; c,e, 



peripheral aspect. 

 Fig. 9. Monstrous specimen. 



„ 10. — Truncatulina lobatula, Walker and Jacob, sp., . x 60 660 



Small adherent specimen. 



