PLATE I. 



No. of 

 Figure. 



Magnifiei 



1. Glandulina Itevigata, side view 



2. — — end view, showing aperture 



3. — - „ „ 



4. Nodosaria rajj/iamis, side view (slender form) . 



5. — — end view, showing aperture 



6. — raphanistrum side view (a fragment) 



7. — — end view 



8. — — side view (nearly perfect specimen) 



9. Dentalina ohligua, side view 



10. VagiTvulina linearis, side view 



11. — — end view, showing central aperture 



12. — — „ „ eccentric aperture 



13. Dentalina pauperata, side view (of irregular growth) 



14. — — end view, showing broken aperture 



15. — — side view (large specimen) 



16. — — end view, showing aperture 



17. — — side view 



18. — — end view, showing aperture 



19. — ohliquestriata, side view 



20. — pau/jerata (of compact growth) 



21. Marginulina rap/ianus, side view 



22. Nodosaria — side view, much enlarged 



23. — — outline 



24. Cristellaria cnltrata, side view 



25. — — edge view 



26. Marginulina glabra, side view 



27. Lagena apiculala, side view 



28. — lievis, side view 



29. — ornata, side view 



30. — — side view, much enlarged 



31. — — edge view, much enlarged 



32. — globosa, side view . 



33. — marginata, side view 



34. — — end view, showing aperture . 



35. — nido .... 



36. — gracillima 



37. — — portion of shell-wall of same, more highly magnified, showin 



tubular structure . 



38. — stria/a, side view . 



39. — — end view, showing aperture 



40. — sulcata, side view 1 ,, ,. . j r j ■ i \ 



41. _ _ side view j (''^'"^'"S towards L. striata) 



42. — — side view (strong form) 



43. — — end view, showing aperture 



44. A chamber of Nodosaria raphanistrum (a " derived" fossil) 



45. — — end view 



46. Polgmorphina gutta, side view 



47. — — side view 



48. — lactea, side view 



49. — gibba, side view 



50. — — side view 



51. • — — end view, showing aperture 



52. — complanata, side view . 



53. • — — end view, showing aperture 



54. — compressa, side view . 



55. Dimorphina nodosaria, side view 



56. — — side view 



57. — — end view, showing aperture 



58. — — side view 



59. Polgmorphina Thouini, side view 



60. — complanata, side view . 



61. Dimorphina nodosaria, side view (short individual) 



62. Polgmorphina frondiformis, side view 



63. — — end view, showing aperture 



64. — problema, side view 



65. — compressa, side view 



66. Dimorphina tnberosa, side view 



67. Polgmorphina variata, interior 



68. — — side view 



69. — frondiformis (small), side view 

 70 — 75. — tubulosa 



76. ■ — — portion of perforated septum 



77. — compressa (interior) 



78. — — radiated aperture 



79. " — — simple aperture communicating between the chambers 



80. — — portion of shell-wall, showing its minute structure 



I- 



}x 



Locality from which the 

 figured specimen was taken. 



2 diara. Sutton. 



5 „ 



2 „ 



X 36 



X 200 



Thorpe. 



Sutton. 

 Cardita senilis Craa; 



