LIST OF ILLUSTRATIONS . 1 
Text Figures. 
. 1 Pago 
Fig. 1. Genera of the family Electrinidae D’Orbigny, 1851. 18 
2. Genus Acanthodesia Canu and Bassler, 1919. 30 
3. Genus Chaperia Jullien, 1881. 50 
4. Genus Chaperia (Waters, 1898) Levinsen, 1909. 51 
5. Genus Selenaria Busk, 1854. 60 
6. Genera of the family Thalamoporellidae Levinsen, 1909. 61 
7. Genera of the family Steganoporellidae Levinsen, 1909. 63 
8. Genera of the family Aspidostomidae Canu, 1908. 65 
9. Genus Odontionella Canu and Bassler, 1917. 66 
10. Genera of the family Calpensiidae, new family. 68 
11. Genus Diplodidymia Reuss, 1869. 69 
12. Genus Hemiseptella Levinsen, 1909. 72 
13. Genus Cupularia Lamouroux, 1921. 76 
14. Genera of the family Cellariidae Hincks, 1880. 85 
15. Genus Stylopoma Levinsen, 1909. 101 
16. Genus Schizolavella Canu and Bassler, 1920. 109 
17. Genera of the Microporellae. 112 
18. Anatomy of the Microporellae. 114 
19. Genus Fenestrulina Jullien, 1888. 116 
20. Genus Microporella Hincks, 1877. 118 
21. Subgenus Diporula Hincks, 1879. 125 
22. Subgenus Ellipsopora, new. 127 
23. Subgenus Flustramorpha Gray, 1848. 127 
24. Genus Calloporina Neviani, 1895. 128 
25. Genus Inversiula Jullien, 1888. 129 
26. Genus Eurystomella Levinsen, 1909. 141 
27. Genera of the family Reteporidae Smitt, 1867.,. 153 
28. Genus Laminopora Michelin, 1842. 161 
29. Genera of the Hippopodinidae Levinsen, 1909. 163 
30. Genus Hippaliosina Canu, 1918. 166 
31. Genus Cheiloporina, new genus. 169 
32. Genus Temachia Jullien, 1882. 173 
33. Genus Crepidacantha Levinsen, 1909. 174 
34. Genus Myriozoum Donati, 1750. 184 
35. Genus Myriozoella Levinsen, 1909. 185 
36. Genus Batopora Reuss, 1867. 188 
37. Genus Orbitulipora Stoliczka, 1861. 189 
38. Genus Stichoporina Stoliczka, 1861. 190 
> The 47 plates of this volume, with their accompanying explanations, begin on page 245. 
