'88 POEAMINIFBRA OF THE KEIUMBA AliCHlPELAGO. 



PLATE L. 



igs. 1-4. Bolivina limhata Brady. Costate variety. Figs. 1, 2. Side views. 

 Fig. 3. Ditto, tortiiose specimen. Fig. 4. Edge view. X 45; 

 5-11. Mimosina rimosa, sp. n. Figs. 5, 6. Side views. Fig. 7. Ditto, with 

 front half of last chamber removed. Fig. 8. Edge view. Fig. 9. End 

 view, basal. Fig. 10. Side view, in balsam, showing the aperture and 

 granular protoplasmic contents. Fig. 11. Edge view, in balsam. 

 X180. 

 12-18. Mimosina echinaf a, s]i.n. Figs. 12-14. Side views. Fig. 15. Apical 

 view. Figs. 16-18. Edge or oral views. X 150. 



19. Mimosina hystrix Millett. Side view. X 200. 



20. Cassidulina bradyi, var. elongata Sidebottom. Balsam-mounted speci- 



men. X 350. 

 21, 22. Cassidulina (Orthoplecfa) clavata Brady. Fig. 21. Oral view. Fig. 22. 



Dorsal view. X 200. 

 23. Lagena clavata (d'Oibigny). Abnormal specimen. X 130. 

 24-30. Lagena marginato-perforata Seguenza. Figs. 24-27. Complanate type. 



Figs. 24, 25. Side views. Fig. 26. Oral view. Fig. 27. Edge view. 



Figs. 28-30. Biconvex type. Fig. 28. Side view. Fig. 29. Oral view_ 



Fig. 30. Edge view. Figs. 24-27, x 130. Figs. 28-30, X 100. 

 31-36. Lagena orbignyana, var. walleriana Wright. Figs. 31-34. Side views, 



showing different types of marking. Fig. 35. Edge view. Fig. 36. 



Oral view. X 130. 

 37. Nodosaria sjpinulosa (Montagu), x 85. 

 38-40. Lagena orhi^inyana, var. Jcerimhatica noY . Fig. 38. Side view. Fig. 39. 



Edoe view. Fig. 40. Oral view. X 130. 



