PLATE LXVI. 



Frondicularia. — Vaginulina. — Cristellaria. 

 (b, Oral aspect.) 



Diam. Page 



Figures 1, 2. — Frondicularia robust a, n. sp., .... 523 



Fig. 16, Oral aspect. Fig. 1. x 75; fig. 2, . . x 17 



„ 3-5. — Frondicularia alata, d'Orbiguy (Flabelline 



variety), ..... 



„ 6,7. — Frondicularia interrupta, Karrer, 



„ 8-12. — Frondicularia incsqualis, Costa, . 



Figs. 8-11. x 60; fig. 12, 



„ 13-15. — Vaginulina legumen, Linne, sp., . 

 Fig. 156, Oral aspect. 



„ 1G. — Vaginulina margaritifera, Batsch, sp., . 



., 17. — Cristellaria obtusata, Reuss, 



b, Oral aspect. 



,, 18,19. — Vaginulina bruckenthali, Neugenboren, . . x 17 532 



20. — Intermediate specimen with Vaginuline com- 

 mencement, and final Nodosarian chamber, . x GO 



,, 21-23. — Cristellaria tenuis, Bornemann, sp., 



Figs. 21. x 35 ; figs. 22, 23, . . x 20 535 



,, 24, 25. — Cristellaria obtusata, var. subalata, now, . x 20 536 



