PLATE VI. 



Figs. 1 4. ENDOTHYRA ORNATA, Brady. (Page 99.) 



Fig. 1. a lateral, I periphero-lateral aspect. Magnified 50 diameters. 

 Fig. 2. Young specimen. X 50 diam. 



Fig. 3. Horizontal section of a portion of a mature specimen. X 50 diam. 

 Fig. 4. Somewhat anomalous specimen probably of the same form. X 50 

 diam. 



Figs. 5, 6. ENDOTHYRA OBLIQUA, Brady. (Page 100.) 



Fig. 5. a anterior lateral, b periphero-lateral aspect. X 30 diam. 

 Fig. 6. Posterior lateral aspect. X 30 diam. 



Figs. 7, 8. ENDOTHYRA ORNATA, var. TENUIS, nov. (Page 100.) 



Fig. 7. a lateral, b periphero-lateral aspect, x 50 diam. 

 Fig. 8. Small irregular specimen. X 50 diam. 



Fig. 9. ENDOTHYRA SUBTILISSIMA, nov. (Page 101.) 



a lateral, b periphero-lateral aspect. X 70 diam. 



Fig. 10. TRUNCATCLINA CARBONIFERA, nov. (Page 138.) 



a inferior lateral surface, b superior ditto. X 90 diam. 



Fig. 11. TRUNCATULJNA BOUEANA, d'Orbiyny. (Page 139.) 



a inferior lateral surface, b superior ditto. X 100 diam. 



Fig. 12. PULVINULINA BROECKIANA, nov. (Page 140.) 



a superior lateral, b periphero-lateral, c inferior lateral aspect. X 50 diam. 



Fig. 13. CALCARINA AMBIGUA, nov. (Page 141.) 



a lateral, b periphero-lateral aspect, x 70 diam. 



