PLATE IV. 

 'FlG. I. — Nodosaria rostrata, sequenza, x 36. 



: Figs. 2, 3 — Ellipsoidina lorifera, sp. nov., X36. 



2a. — Lateral aspect. 



zb. — Oral aspect. 



3. — Longitudinal section. 

 FlG. 4. — Nodosaria raphanistrum, (Linlne). Transverse section, x 21. 



Fig. 5. — Nodosaria soluta, Reuss, X2I. 



Fig. 6. — Nodosaria oligostegia, Reuss, x2l. 



Fig. 7. — Nodosaria consobrina, d'Orbigny, x2i. 



Figs. 8, 9. —Nodosaria pauperata, d'Orbigny, x2i. 

 Figs. 10, 11. — ,, ,, var. bulbosa, nov., x2i. 



Figs. 12, 13.- — „ ,, var. crassisepta, nov., x 21. 



iFigs. 14, 15. — Nodosaria pauperata, d'Orbigny, x 21. 



Specimens showing mixed characteristics of several varieties. 

 'Fig. 16. — Nodosaria adolphina, d'Orbigny, x 21. Smooth variety. 



