220 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 6 



Distribution. — This species has been collected off Santa Barbara, Cal- 

 ifornia, in 33 fms.; off the Channel Islands in 13 fms. ; off Mexico in 17 

 to 200 fms.; and at a series of stations in the Galapagos with a depth 

 range of 9 to 23 fms. 



Bolivina tortuosa H. B. Brady 

 Plate 27, Fig. 12 



Bolivina tortuosa H. B. Brady, Quart. Journ. Micr. Soc, vol. 21, 

 1881, p. 57; Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 420, pi. 52, 

 figs. 31, 32 (not 33, 34), — Egger, Abhandl. kon. bay. Akad. Wiss. 

 Miinchen, CI. II, vol. 18, 1893, p. 298, pi. 8, figs. 43, 44 (part).— Mil- 

 lett, Journ. Roy. Micr. Soc, 1900, p. 543. — Chapman, Journ. Linn. Soc. 

 Zool., vol. 28, 1900, p. 187; 1902, p. 382.— Sidebottom, Journ. Roy. 

 Micr. Soc, 1918, p. 127.— Cushman, Publ. 342, Carnegie Instit. Wash- 

 ington, 1924, p. 18, pi. 5, figs. 4, 5. — Heron-Allen and Earland, Journ. 

 Roy. Micr. Soc, 1924, p. 145; Journ. Linn. Soc Zool., vol. 35, 1924, 

 p. 621. — Yabe and Hanzawa, Jap. Journ. Geol. Pal., vol. 4, 1925 

 (1926), p. 50.— Hanzawa, l.c, 1925 (1926), p. 40 (table).— Mac- 

 fadyen, Geol. Survey Egypt, 1930 (1931), p. 57. — Cushman and Par- 

 ker, Proc U. S. Nat. Mus., vol. 80, art. 3, 1931, p. 16, pi. 3, figs. 22^, 

 b. — Bermudez, Mem. Soc. Cubana Hist. Nat., vol. 9, 1935, p. 195. — 

 Cushman, Special Publ. 9, Cushman Lab. Foram. Res., 1937, p. 133, 

 pi. 17, figs. 11-19.— Cushman and McGlamery, Prof. Paper 189D, U.S. 

 Geol. Survey, 1938, p. 107, pi. 25, figs. 13, 21. 



Test short and broad, slightly longer than broad, much compressed, 

 periphery acute but not carinate, early portion with the axis much 

 twisted; chambers few, distinct, comparatively high, periphery not lobu- 

 late; sutures distinct, not depressed; wall with numerous coarse punctae; 

 aperture tending to become terminal, elongate, elliptical. Length up to 

 0.35 mm. ; breadth up to 0.35 mm. 



Most of the records for this species are from the Pacific, especially 

 from among the islands of the Tropical Pacific. The species is rather rare 

 in our material, mostly single specimens. 



Stations: 62, 208, 457, 458, 469, 470, 472, 500. 



Distribution. — Off Guadalupe Island in 18 fms.; in San Gabriel 

 Bay, Mexico, in 10 fms.; off Indefatigable, Charles, and Hood islands, 

 Galapagos, in 9 to 15 fms.; and off La Plata Island, Ecuador, in 10 fms. 



