FORAMINIFERA OF NORTH PACIFIC OCEAN. 



39 



SACCAMMINA SPH^RICA G. O. Sars. 



Saccammina sphierica (M. Sars, Forh. Vid. Selsk. Christiania, 1868 (1869), p. 248, 

 nomcn nudum), G. O. Sars, Forh. Vid. Selsk. Christiania, 1871, p. 250. — Car- 

 penter, The Microscope, 5th ed., 1875, p. 532, fig. 272a-c. — H. B. Brady, Rep. 

 Voy. Challenger, Zoology, vol. 9, 1SS4, p. 253, pi. 18, figs. 11-17.— Egger, Abh. 

 kon. bay. Akad. Wiss. Miinchen, vol. 18, 1893, p. 254, pi. 4, fig. 8.--Rhumbler, 

 Zeitschr. wiss. Zool., vol. 57, 1894, pp. 433-619, pis. 21-25.— Goes, Kongl. 

 Svensk. Vet. Akad. Handl., vol. 25, no. 9, 1894, p. 13, pi. 3, figs. 16-18 — 

 Chapman, Proc. Zool. Soc. London, 1895, p. 13. — Goes, Bull. Mus. Comp. 

 Zool., vol. 29, 1896, p. 26.— Flint, Rep. U. S. Nat. Mus., 1897 (1899), p. 269, 

 pi. 9, fig. 2.— Rhumbler, Arch. Protistk., vol. 3, 1903, p. 243, figs. 78a-d (in 

 text) . 



Description. — Test free, rarely attached, spherical or pyriform; 

 typically of a single chamber with a single aperture at the end of a 







36 



Figs. 33-36.— Saccammina sphierica. x 1"> (after Brady). 33, free specimen. 34, attached 

 specimen. 35, apertural view. 30, section. 



slightly projecting portion of the test; wall composed of fairly coarse 

 sand grains, firmly cemented; color various, gray to almost black, 

 occasionally brownish or reddish. 



Diameter 1-3.5 mm. 



Distribution. — This species appears to be fairly well distributed in 

 the North Pacific in the colder waters. The Challenger dredged 



