﻿PLATE VIII. 



Pigs. 1 — 5. Lagena Parkeriana, nov. (Page 120.) 



Figs. 1 — 4. Lateral aspect of various forms. 



Fig. 5. End-view showing aperture. Magnified 50 diameters. 



Fig. 6. Lagena Lebouriana, nov. X 50 diam. (Page 121.) 



Fig. 7. Lituola nautiloidea, Lamar ck. (Page 63.) 



a lateral aspect, b end-view showing the compound aperture. X 20 diam. 



Figs. 8, 9. Haplophragmium rectum, Brady. (Page 66.) 



Fig. 8. a lateral aspect, b end-view showing the aperture. X 100 diam. 

 Fig. 9. Broken specimen. X 70 diam. 



Figs. 10, 11. Bigenerina patula, nov. (Page 136.) 

 Fig. 10. Lateral aspect. X 35 diam. 



Fig. 11. Longitudinal section. X 30 diam. (See also Plate X, figs. 30, 31.) 



Figs. 12 — 16. Stacheia fusipormis, nov. (Page 114.) 



Figs. 12, 13. Lateral aspect ; fig. 14 end-view. X 50 diam. 

 Fig. 15. Longitudinal section. X 50 diam. 



Fig. 16. A portion of the same further enlarged to show more clearly the 

 subdivision of the interior. X 100 diam. 



Figs. 17 — 27. Stacheia pupoides, nov. (Page 115.) 



Fig. 17. A compressed variety apparently without central columnar support. 

 X 35 diam. 



Fig. 18. Longitudinal section of the same form. X 35 diam. 



Fig. 19. A portion of the same further enlarged to show more clearly the 

 interior structure. X 100 diam. 



Figs. 20, 21, 23, 24, 25. Lateral aspects of various specimens of the typical 

 form. X 50 diam. 



Fig. 22. Adherent specimen. X 35 diam. 



Figs. 26, 27. Longitudinal sections. X 50 diam. 



