Plate 17. 



Fig. 1. Nodosaria sublineata. X25. Side view. D2150. 



2. Lingidhia armata. X200. Front view. After Heron-Allen and Ear- 



land. 



3. Nododoriu intcrccllulari.'s. XoU. Side view of last-formed chamber. 



D2150. 



4. Nodosaria hirsuta, var. aculcata. X25. Side view. D2399. 



5. LinguUiut bicariiiaia. X176. Side view of specimen with three 



chambers. After Heron-Allen and Earland. 



6. LiiufuUna bicarinata. X176. Edge view. After Heron-Allen and 



Earland. 



7. Linc/ulina bicarinata. X170. Side view of normal specimen. After 



Heron-Allen and Earland. 



8. Lingulina seminuda. X2^^. Front view. D2760. 



9. LinyuJina seniiiiiida. X30. Side view of another specimen. D2399. 



10. Linfiulina pcUiicida. X120. Front view. After Heron-Allen and 



Earland. 



11. Linfiulina seminuda. X176. a. front view; b. side view. After 



Heron-Allen and Earland. 



12. Lingulina ijnadrata. X2()0. Front view. After Heron-Ailen and 



Earland. 



195 



