FORAMINIFERA OF THE NORTH PACIFIC OCEAN. 27 



times as long as wide, surface pitted, umbilical region slightly exca- 

 vated at the center, the rest filled with shell tissue of considerable 

 extent as a central mass, thence extending outward along the sutures 

 in a star-like mass, making up nearly one-third the diameter of the 

 test; aperture simple, narrow, with a slightly thickened lip. 



Diameter up to 1 mm. 



Distribution. — This species has not previously been recorded from 

 the North Pacific. The only material I have had came from Albatross 

 station H 4857 in 324 fathoms, in Bering Sea. The specimens are 

 not typical, but are here figured. 



NONIONINA STELLIGERA d'Orbigny. 

 Plate 14, fig. 4; plate 15, fig. 4; plate 16, fig. 2. 



Nonionina stelligera d'Orbigny, in Barker, Webb, and Berthelot, Hist. Nat. lies 

 Canaries, vol. 2, pt. 2, Foraminiferes, 1839, p. 128, pi. 3, figs. 1, 2.— H. B. 

 Brady, Trans. Linn. Soc. London, vol. 24, 1864, p. 471, pi. 48, fig. 19; Rep. 

 Voy. Challenger, Zoology, vol. 9, 1884, p. 728, pi. 109, figs. 3-5.— Egger, 

 Abh. kon. bay. Akad. Wiss. Munchen, CI. n, vol. 18, 1893, p. 425, pi. 19, 

 fig. 44.— Goes, Kongl. Svensk. Vet. Akad. Handl., vol. 25, 1894, p. 104, pi. 17, 

 figs. 827, 828.— Morton, Proc. Portland Soc. Nat. Hist., vol. 2, 1897, p. 121, 

 pi. 1, fig. 18. — Fornasini, Mem. Accad. Sci. 1st. Bologna, ser. 5, vol. 7, 1899, 

 p. 654, fig. 5. — Millett, Journ. Roy. Micr. Soc, 1904, p. 600. — Sidebottom, 

 Mem. and Proc. Manchester Lit. and Philos. Soc, vol. 53, No. 21, 1909, p. 13, 

 pi. 4, fig. 9; vol. 54, No. 16, 1910, p. 29.— Bagg, Bull. TJ. S. Geol. Surv., No. 

 513, 1910, p. 89, pi. 27, figs. 7, 8. 



Polystomella crista, var. (Nonionina) stelligera Parker and Jones, Philos. Trans., 

 vol. 155, 1865, p. 404, pi. 14, figs. 40, 41. 



Description. — Test with usually ten to twelve chambers in the last 

 formed volution, in face view narrow, 3 to 3^ times as long as broad, 

 sides nearly parallel, periphery broadly rounded, slightly lobulated, 

 surface punctate, umbilical portion with a filling of shell tissue in 

 radiating rays from the umbilical portion toward the periphery along 

 the sutures, each ray widest near the middle and distinct from the 

 others, almost no umbilical depression; aperture a semicircular, very 

 narrow opening at the base of the apertural face of the chamber, 

 simple. 



Diameter 0.50-0.70 mm. 



Distribution. — This species has not previously been recorded from 

 the North Pacific. It has occurred at Albatross D 2806 in 1,379 

 fathoms off the Galapagos Islands. 



There is considerable variation in this species as will be seen by 

 referring to the various figures of the synonymy given above. It is 

 perhaps most easily confused with N. asterizans. 

 6912°— 14 3 



