EXPLANATION OF PLATES 



Plate 1 



Figures la, b. Marginulina cf. crepidula (Fichtel and Moll). X 60. a, Side 

 view; b, peripheral view. Albatross H3798. 



2, 3. Robulus reniformis (d'Orbigny). X 50. a, a, Side views; 

 b, b, peripheral views. Fig. 2, Albatross H3875. Fig. 3, 

 Rangiroa. 



4-6. Robulus limbosus (Reuss). Fig. 4, X 50. Figs. 5, 6, X 40. 

 a, a, a, Side views; b, b, b, peripheral views. Fig. 4, Albatross 

 H3885. Fig. 5, Albatross H3989. Fig. 6, Albatross H3834. 



7. Robulus larvus (Stache). X 40. a, Side view; b, peripheral 



view. Albatross H3905. 



8. Robulus coloratus (Stache). X 40. a, Side view; b, peripheral 



view. Albatross D3690. 

 9a, 6. Robulus nigriseptus (Koch). X 40, a, Side view; b, peripheral 

 view. Albatross H3860. 



Plate 2 



Figures la, b. Robulus vortex (Fichtel and Moll). X 30. a. Side view; b, 



peripheral view. Albatross H3876. 

 2a, b. Robulus gibbus (d'Orbigny). X 50. a. Side view; b, peripheral 



view. Albatross H3916. 

 3a, b. Robulus calcar (Linnaeus). X 50. a, Side view; b, peripheral 



view. Albatross H3961. 

 4a, 6. Robulus expansus (Cushman) var. planulatus (Cushman). X 50. 



a, Side view; b, peripheral view. Albatross H3924. 



5a, b. Robulus limbosus (Reuss). X 50. a, Side view; b, peripheral 



view. Albatross H3828. 



6,7. Robuhis gibbus (d'Orbigny). X 40. a, a, Side views; b, b, 



peripheral views. Fig. 6, Albatross H3855. Fig. 7, Albatross 



H3916. 



8a, b. Saracenaria sp. (?). X 50. a, Side view; b, peripheral view. 



Albatross H3876. 

 9a, b. Lingulina glandigena (Schwager). X 70. a, Front view; b, 

 side view. Albatross H3832. 

 10a, b. Marginulina cf. crepidula (Fichtel and Moll). X 70. a. Side 



view; b, peripheral view. Albatross H3840. 

 11a, b. Marginulina cf. subcrassa Schwager. X 70. a, Side view; 



b, peripheral view. Albatross H3878. 



Plate 3 



Figures la, b. Marginulina insolita (Schwager). X 70. a. Side view; b, 

 peripheral view. Port Lotten, Kersail, Caroline Islands. 

 2,3. Dentalina neugeboreni (Schwager). X 40. Fig. 2a, Side view; 

 b, peripheral view. Fig. 2, Albatross H3971. Fig. 3, Albatross 

 H3991. 

 4. Dentalina sidebottomi, new species. X 40. Holotype, Albatross 

 H3815. 

 5a, b. Dentalina sp.(?). X 40. a, Side view; b, peripheral view. 

 Albatross H3891. 

 6. Dentalina costai (Schwager). X 40. Albatross H3954. 



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