PLATE LIX. 



La GEN A. 



(a, Lateral aspect ; b, oral aspect.) 



Diam. Page 



Figure 1. — Lagena orbignyana, Seguenza, sp., . x 75 484 



2, 5. — Lagena hispida, Reuss, compressed variety, . x 75 459 



Much worn specimens. 



3. — Lagena quadrata, Williamson, sp., . 



4. — Lagena favoso-punctata, Brady ; compressed form 



6. — Lagena acuta, Reuss, sp. (not typical), 



7. — Lagena quadricostidata, Reuss (?) , 



8-11. — Lagena staphyUearea, Sch wager, sp. 

 Fig. 8. x 45 diameters ; figs. 9-11, 



12. — Lagena unguicidata, Brady, 



13, 14. — Lagena longispina, Brady ; compressed variety, . 

 Fig. 13. The spines of this specimen are hollow. 



15. — Lagena quadricostulata, Reuss, . 



16. — Lagena quadrata, Williamson sp., 

 Partially carinate specimen. 



17, 19. — Lagena marginata, var. semimarginata, Reuss, " 



18, 20. — Lagena orbignyana, Seguenza. sp., varieties, 



21-23. — Lagena marginata, Walker and Boys. 



Fig. 21. x 45 ; fig. 22, x 40 ; fig. 23, . . x 25 



24-26. — Lagena orbignyana, Seguenza, sp. 484 



Fig. 24. x 45; fig. 25, x 30; fig. 26, . x 60 



27. — Lagena siliqua, Rymer Jones, . . x 45 478 



28-30. — Lagena semi n if or mis, Schwager, . . . x 45-60 478 



