FORAMINIFERA OF NORTH PACIFIC OCEAN. 



41 



grains or other foreign matter, test usually broadest near the base 

 and gradually tapering more or less evenly to the apertural end. 



Several species of Proteonina occur in the North Pacific, certain of 

 the species apparently confined to specific regions as far as the 

 material is able to indicate. 



PROTEONINA FUSIFORMIS Williamson. 



Proteonina fusiformis Williamson, Recent Foraminifera of Great Britain, 1858, p. 1, 

 pi. 1, fig. 1.— Rhumbler, Arch. Protistk., vol. 3, 1903, p. 248, fig. 84 (in text). 



Reophax fusiformis H. B. Brady, Denkschr. kais. Akad. Wiss. Wien, vol. 43, 

 pt. 2, 1882, p. 99; Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 290, pi. 30, 

 figs. 7-11.— Millett, Journ. Roy. Micr. Soc, 1899, p. 253, pi. 4, fig. 11.— 

 Bagg, Proc. U. S. Nat. Mus., vol. 34, 1908, p. 125. 



Lituola fusiformis J. Wright, Rep. Belfast Club, 1876-77, Append., table. 



Lituola nautiloidea, var. scorpiurus W. B. Carpenter, in 

 Parker and Jones, Intr., Study Foram. 1862, Ap- 

 pend., p. 309. 



Description. — Test free, fusiform, asymmet- 

 rical, chamber either single or somewhat incom- 

 pletely divided, walls composed of fairly coarse 

 sand grains, rough externally, but closely cement- 

 ed, aperture terminal, single. 



Length 0.63-1.0 mm. or more. 



Distribution. — This species does not seem to 

 be common in the North Pacific, but four sta- 

 tions being known. The Challenger found it 

 near the Philippines, Station 209, 95 fathoms. 

 Doctor Bagg records it from the Hawaiian 

 Islands, Albatross station H4585, 6S9 fathoms. 

 It has also been noted from two Nero stations 

 in the vicinity of the Bonin Islands, in 1,415 and 

 1,543 fathoms. 



Specimens of this species are always more or fig. 39.— proteonina fusi- 

 less irregular in form, but the general character forms, x 75. 



of Williamson's figure is readily distinguished in the specimens. 



PROTEONINA DIFFLUGIFORMIS (H. B. Brady). 



Reophax difflugiformis H. B. Brady, Quart. Journ. Micr. Sci., vol. 19, 1879, p. 51, 

 pi. 4, figs. 3 a, b; Denkschr. kais. Akad. Wiss. Wien, vol. 43, pt. 2, 1882, 

 p. 99; Proc. Roy. Soc. Edinburgh, vol. 11, 1882, p. 715; Rep. Voy. Challen- 

 ger, Zoology, vol. 9, 1884, p. 289, pi. 30, figs. 2-1 (not 1, 5).— Goes, Kongl. 

 Svensk. Vet % Akad. Handl., vol. 25, no. 9, 1894, p. 26, pi. 6, figs, 196-198; 

 Bull. Mus. Comp. Zool., vol. 29, 1896, p. 28.— Flint, Rep. U. S. Nat. Mus., 

 1897 (1899), p. 272, pi. 16, fig. 2.— Millett, Journ. Roy. Micr. Soc, 1899, 

 p. 252. 



Saccammina difflugiformis Eimer and Fickert, Zeitschr. wiss. Zool., vol 65, 

 1899, p. 671. 



Proteonina difflugiformis Rhumbler, Arch. Protistk., vol. 3, 1903, p. 245, figs. 

 80 a, b, (in text). 



