PLATE XV 



Figs. 1-14. Anomalina vermiculata (d'Orbigny) (No. 369). x 48. 



I, dorsal, 2, ventral, 3, edge-oral views of young megalospheric form. 

 4, ventral, 5, dorsal, 6, edge-oral views in next stage of development. 

 7, ventral, 8, dorsal, 9, edge-oral views of half-developed form. 

 10, edge-oral, 11, ventral, 12, dorsal views of adult form. 



13, a megalospheric specimen, half developed seen in optical section. 



14, a microspheric specimen, half developed seen in optical section. 



Fig. 15. Anomalina vermiculata (d'Orbigny) (?) (No. 369). Encysted young: x 48. 



Fig. 16. Pulvinulina umbonata (Reuss) (No. 386). Edge-oral view : x 48. 



Fig. 17. Pulvinulina umbonata (Reuss) (No. 386). Dorsal view: x 48. 



Fig. 18. Pulvinulina umbonata (Reuss) (No. 386). Ventral view: x 48. 



Fig. 19. Carpenteria lobosa, sp.n. (No. 373). x 19. 



Fig. 20. Pulvinulina pa1agomca{d'0rh\gixy) (No. 2^^)- Dorsal view :x no. 



Fig. 21. Pulvinulina patagonica {d'Orbigny) {No. 2^8). Ventral view : x no. 



Fig. 22. Pulvinulina patagonica (d'Orbigny) (No. 388). Edge-oral view: x no. 



Fig. 23. Pulvinulina alvarezii (d'Orbigny) (No. 390). Ventral view: x 74. 



Fig. 24. Pulvinulina alvarezii (d'Orbigny) (No. 390). Dorsal view: x 74. 



Fig. 25. Pulvinulina alvarezii (d'Orbigny) (No. 390). Edge view: x 74. 



Figs. 26-36. Pulvinulina karsteni (Reuss) (No. 391). A series to illustrate the range of 



variation: x 74. 



27, 29, 32, 35, dorsal views. 



26, 28, 31, 34, ventral views. 



30. 33. 36, edge views. 

 Fig. 37. Pulvinulina peruviana (d'Orbigny) (No. 392). Dorsal view: x 74. 

 Fig. 38. Pulvinulina peruviana (d'Orbigny) (No. 392). Ventral view: x 74. 

 Fig. 39. Pulvinulina peruviana (d'Orbigny) (No. 392). Edge view: x 74. 



