124 BULLETIN 161, UNITED STATES NATIONAL MUSEUM 



Plate 15 

 (Unless otherwise indicated, a, dorsal view; b, ventral view; c, peripheral view) 

 Figure 1. Osangularia culler (Parker and Jones). USNM 641088. X 60. 

 Albatross H3879. 



2. Cassidulina moluccensis Germeraad. USNM 641059. X 72. Alba- 



tross H3798. 



3. Islandiella sp. USNM 641074. X 72. Albatross H3855. 



4. Siphonina tubulosa Cushman. USNM 641107. X 120. a, 6, Oppo- 



site sides; e, peripheral view. Albatross H3937. 

 5, 6. Siphoninoides echinatus (Brady). X 75. Off Fiji, 40-50 fms. 5, 

 USNM 641022. Side view. 6, USNM 641023. Top view. 



Plate 16 



(Unless otherwise indicated, a, dorsal view; b, ventral view; c, peripheral view) 



Figures 1, 2. Stomatorbina concentrica (Parker and Jones). X 40. 1, USNM 



27813. a, Dorsal view; 6, peripheral view. 2, USNM 27812. 



Ventral view of another specimen. Albatross H3878. 



3, 4. Paumotua terebra (Cushman). X 48. 3, Holotype, USNM 26160. 



Albatross H3931. 4, USNM 26161. Albatross H3910. 

 5, 6. Cassidulina subtumida Cushman. Paratypes of Cassidulina rariloc- 

 ula Cushman, USNM 26158. X 100. Albatross H3827. 

 7. Cassidulina subglobosa Brady. USNM 641110. X 56. Albatross 

 H3965. 



Plate 17 



Figure 1. Cassidulina subtumida Cushman. Holotype, USNM 26163. X 56. 

 a, ventral view; b, peripheral view. Albatross H3920. 



2. Cassidulina angulosa Cushman. USNM 641116. X 72. a, Ventral 



view; b, peripheral view. Albatross H3984. 



3. Cassidulina minuta Cushman. Holotype, USNM 26156. X 105. 



a, Dorsal view; b, ventral view; c, peripheral view. Albatross 

 H3825. 



4. Cassidulina carinata Silvestri. USNM 641069. X 100. a, Ventral 



view; b, peripheral view. Albatross H3840. 



5. Cassidulina patula Cushman. Holotype, USNM 26155. X 56. a. 



Dorsal view; b, ventral view; c, peripheral view. Albatross H3916. 

 6,7. Cassidulina delica ta Cushman. USNM 641083. 6, X 56. a, Ventral 

 view; b, peripheral view. 7, X 100. Ventral view. Albatross 

 H3870. 



8. Cassidulina costatula Cushman. Holotype, USNM 26165. X 56. 



a, Ventral view; b, peripheral view. Albatross H3935. 



9. Cassidulinoides tenuis Phleger and Parker. USNM 641070. X 100. 



a, Ventral view; b, peripheral view. Albatross H3870. 



Plate 18 



(Unless otherwise indicated, a, dorsal view; b, ventral view; c, peripheral view) 



Figure 1. Tretomphalus planus Cushman. USNM 641047. X 56. Guam An- 

 chorage, Ladrone Islands, 21 fms. 

 2. Tretomphalus milletti (Heron-Allen and Earland). USNM 641036. 

 X 56. Near Nairai, Fiji. 



