PLATE VI. 



MlLIOLINA. 



Diam. Page 



Figures 1, 2. — MiUolina secans, d'Orbigny, sp., . . x 50 167 



Figs. 1 a, 2. Lateral aspect ; 1 b, oral aspect. 



„ 3-5. — MiUolina labiosa, d'Orbigny, sp., . . x 45 170 



,, 6-8. — MiUolina wndosa, Karrer, sp., . . . x 50 176 



Figs. 6 a, 7, 8 a, Lateral aspect ; 6 b, 8 b, oral aspect. 



„ 9, 11, 12. — MiUolina bicornis, Walker and Jacob, sp., . . 171 



Fig. 9. a, b, Lateral aspects ; c, oral aspect, . x 40 



Figs. 11a, 12. Lateral aspects ; 1 1 b, oral aspect, . x 35 



„ 10. — MUiolina amygdaloides, n. sp., . . . x 50 163 



a, Lateral aspect ; b, oral aspect. 



,, 13, 14. — MiUolina pulchella, d'Orbigny, sp. . . . 174 



Fig. 13. a, Lateral asjsect : b, oral aspect, . . x 25 



Fig. 14. Lateral aspect, . . . x 35 



,, 15-20. — MiUolina linnceana, d'Orbigny, sp., . . x 35 174 



Figs. 15-17. Lateral aspect. 

 Figs. 18-19. Oral aspect. 



Fig. 20. Transverse section, showing the arrangement 

 of the chambers. 



