26o CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



EXPLANATION OF PLATE XXX. 



All the figures are thirty times enlarged. 



Figs. I and \a. Cristellaria miocenica, sp. nov. 

 Fig. 2. " arctiata d'Orb. 



Fio". 3. " ffibba d'Orb. 



Fio". 4. " rotulata (Lam.). 



Fig. 5. Uvigeritia tenuistriata Reuss. 

 Fig. 6. Pullenia sphceroides [D'0^)i.). 

 Figs. 7 and 7«. Pullenia multilobata, sp. nov. 

 Fig. 8. Discorbina allomorphinoides (Reuss). 

 Fig. 9. Anonialina grosserugosa (Gumbel). 

 Fig. 10. " rotula d'Orb. 



Fig. II. Truncatultna pygmcea WhUTKEti. 

 Fig. 12. Rotalia orbicularis d'Orb. 

 Fig". 13. Nonionina communis d'Orb. 

 Figs. 14 and 14a. " boueana d'Orb. 

 Fig. 15. " umbilicatula (Montag.). 



Figs. 16 and i6a. " pompilioides (F. & M.). 



