646 MESSES. B. HERON-ALLEN AND A. EARLANU ON 
EXPLANATION OF THE PLATES. 
Plates 35-37. 
Fig. 1. Nubecularia lucifuga Defrance. Showing young individuals in fractured chamber. 
X55. 
2—5. „ schauinslandi (Rhumbler). X 35. 
6-7. Sph-oloculina tenuirostra Karrer. Fig. 6. Central portion abraded, x 145. 
8. Miliolina auherimia, "var. semireticulata, var. nov. Front view, -i 
9. ,, „ „ „ Back view. J- x 55. 
10. „ ,, „ ,, Oral view. > 
11. Craterites rectMs, gen. nov. et sp. nov. Side view, showing the expanding base, 
layers of chamberlets, and cribrate oral surface. X 30. 
12. „ „ geu. nov. et sp. nov. Superior view of cribrate oral surface, 
showing similar structure underneath through fractures on 
surface-layer. X 30. 
13. DiffusUina humilis, gen. nov. et sp. nov. A perfect specimen attached to Nullipore, 
showing pustular processes on the surface, which is otherwise 
un-abraded. X 28. 
14-16. ,, ,, gen. nov. et sp. nov. Specimens showing partially abraded 
surface, exposing the labyrinthic protoplasmic structure 
(shown black), x 28. 
17. Haddonia torresiensis Chapman. Young textularian specimen, showing commence- 
ment of wild later growth. X 30. 
19-20. „ ,, ,, Fully-developed specimens, showing textularian 
commencement to wild-growing portion. X 30. 
21. „ „ „ Showing the oral extremity, x 30. 
18&22. „ „ ,, Specimens incorporating large sand-grains. x30. 
23-24. Bulimina elegantissima d'Orbigny. Fig. 23. The bud is a single chamber ; Fig. 24, 
developed into a young individual of several chambers. X 145. 
25-26. Bolivina liinbata, Ysx. abb7-eviata, nov. Side views, i 
27. „ „ „ „ Edge view. ( ^ -^*°- 
28. Frondicrilaria scottii Heron- Allen & Earland. Specimen from Lord Howe Island. 
X 145. 
29. „ „ „ „ Specimen from 'Challenger' Stn. 
185 (Raine Island). X 145. 
^0-31 . Uvigerina selsexjensis Heron- Allen & Earjand. X 145. 
32. Ramulina grimaldii Schlumberger. X 26, 
-33-34. Spirillina campanula, sp. nov. Side views. 
3,5. ,, „ „ Apical view. V Viewed as opaque specimens. 
36. 
-37-38. „ „ 
39. „ „ 
40. 
41. „ „ 
haviii 
-} 
Basal view. 
Balsam mounts. Side views. 
„ ,, Apical view. Scaly surface. 
„ „ Basal view. 
„ ,, Specimen in which the septa 
been entirely absorbed, the central cavity is filled with a 
mass of young individuals, which are shown in optical section. 
All X 340, 
42. Discorbina pidvinata Brady. Superior view. 
43-45. „ ,, ,, Basal view, showing development of young indi- 
viduals around oral aperture. 
