Tertiary Foraminifera from Borneo. 263 



SpirohcuUna ?, Planispirina^ and to tlie subfamily Rotalinje ; 

 but we have not thought it worth while to attempt to refer 

 such to particular " species," since we have nothing but 

 sections cut in more or less indeterminate directions. 



EXPLANATION OF THE PLATES. 

 Plate IX, 



Kummuliies javanus, Verbeek, P^orin B. 



Fi^. \. Vertical section, X 3. (B. M,) 

 Fiff. 2. Horizontal section, x 10. (B, M.) 

 Fi^. 3. " Filets cloisonnaires," x 10. (B, M.) 



KummuUtes javaniis. Form A- 



Fig. 4, Vertical section, X lo. (B. M.) 

 Fu/. 5. Ditto, X 10. (B. M.) 



NiitHmulUes, sp, indet. 

 Fig. 6. Vertical section, x 12, (M.) 



Orhitoides {Lepidocycliiva) Verbeekiy sp, n. Form A, 



Fiff. 7. Vertical section, X 13. (C.) 



Fig. 8. Horizontal section on median plane, x 20. (B. M.) 



Fig. 9. Ditto, X 30, (B, M.) 



Fiff. 10. Horizontal section above median plane, X 13. (C.) 



Orbitaides {Lepidocyclina) Verheeki. Form B, 

 Fiff, 11. Horizontal section on median pkne, x 25. (B. M.) 



Plate X, 



Orhitoides {Lepidocyclina) Verbeeki. Form A, 

 Fiff. L Exterior, X 9. (C.) 



Orbitoides {Discocyalinci) stellata, dWrcliiac. 



Fiff. 2. Section approximately horizontal and above median plane, 

 X 20. (B. M.) 



Orhitoides {Discocyclina), spp. indet. 



Fig. 3. Vertical section, x 12. (B, M.) 

 Fig. 4. Ditto, X 25. (M.) 



Cffcloclyiteus ?, sp. indet. 

 Fig. 5. Section, X 11. (B. M.) 



Linderina, sp. indet. 

 Fig. 6. Vertical section, X 30. (B. M.) 



