72 BULLETIN 161, UNITED STATES NATIONAL MUSEUM 



FiGUKES 5-7. Lagena gracilis Williamson. X 70. a, a, a, Front views; b, b, b, 

 apertural views. Fig. 5, Albatross H3836. Fig. 6, Albatross 

 H3898. Fig. 7, Albatross H3856. 

 8. Lagena williamsoni (Alcock), X 100. Albatross H3965. 



9, 10, 12. Lagena acuticosta Reuss. X 70. a, a, a, Front views; b, b, b, 



apertural views. Fig. 9, Albatross H3825. Fig. 10, Albatross 

 H3931. Fig. 12, Albatross H3812. 

 11, 13. Lagena striata (d'Orbigny). X 70. a, a, Front views; b, b, 

 apertural views. Fig. 11, Albatross H3855. Fig. 13, Alba- 

 tross H3996. 



Plate 9 



Figures la, b. Lagena pulchella H. B. Brady. X 70. a, Front view; 6, apertural 

 view. Albatross H3840. 

 2a, b. Lagena ampulla-distoma Rymer-Jones. X 70. a, Front view; 



6, apertural view. Albatross H3993. 

 3, 4. Lagena lineata (Williamson). X 70. a, a, Front views; b, b, 

 apertural views. Fig. 3, Albatross H3855. Fig. 4, Albatross 

 H3965. 

 5a, b. Lagena costata (Williamson). X 70. a. Front view; b, apertural 

 view. Albatross H3900. 

 6-9. Sigmomorphina semitecta (Reuss) var. terquemiana (Fornasini). 

 X 70. Figs. 6a, 9a, Front views; b, b, basal views. Figs. 6-8, 

 Nairai, Fiji. Fig. 9, Levuka, Fiji. 

 10a, 6. Guttulinasp.i?). X 70. a. Front view; 6, basal view. Albatross 



H3814. 

 11a, b. Pseudopolymorphina cf. subnodosa (Reuss). X 70. a, Front 

 view; b, basal view. Port Lotten, Kersail, Caroline Islands. 

 12. Pyrulina extensa (Cushman). X 70. Albatross H3791. 

 13a, b. Pyrulina cylindroides (Roemer). X 70. a, Front view; b, basal 



view. Albatross H3971. 

 14a, b. Glandulina laevigata d'Orbigny. X 70. a, Front view; b, basal 

 view. Guam Anchorage, Ladrone Islands. 



Plate 10 



Figures 1, 2. Nonion pompilioides (Fichtel and MoU). X 40. a, a, Side 

 views; b, b, peripheral views. Fig. 1, Albatross H3859. Fig. 2, 

 Albatross H3984. 

 3a-c. Nonion boueanum (d'Orbigny) (?). X 70. a, b, Opposite sides; 



c, peripheral view. Rutavu. 

 4r-7. Nonion subturgidum (Cushman). Fig. 4, X 50. Figs. 5-7, 

 X 40. Figs. 4a, 7o, Side views; 5, 6, peripheral views. Fig. 4, 

 Rotonga. Figs. 5, 6, Viva Anchorage, Fiji. Fig. 7, Nairai, 

 Fiji. 

 8a-c. Nonion grateloupi {d.'Orhigny){l). X 150. a, 6, Opposite sides; c, 



peripheral view. Guam Anchorage, Ladrone Islands. 

 9o, b. Nonion pacificum (Cushman). X 40. a, Side view; b, peripheral 

 view. Albatross H3888. 



10, 11. Nonionella auris (d'Orbigny). X 70. a, a, b, b, Opposite sides; 



c, c, peripheral views. Fig. 10, Rutavu. Fig. 11, Vavau 

 Anchorage, Tonga Islands. 



