TROPICAL PACIFIC FORAMUSflFERA OF "ALBATROSS" 41 



Exped., Zool., vol. 6, p. 124, 1922; Journ. Roy. Micr. Soc, 1924, p. 138; 

 Journ. Linn. Soc. Zool., vol. 35, p. 619, 1924. — Chapman, Union of South 

 Africa Fish. Mar. Biol. Survey Rep. No. 3 (1922), p. 11, 1924.— Cushman, 

 Carnegie Inst. Washington Publ. 342, p. 21, 1924. — Hanzawa, Jap. Journ. 

 Geol. Pal., vol. 4, p. 39 (table), 1925 (1926).— Cushman, Carnegie Inst. 

 Washington Publ. 344, p. 76, 1926.— Koch, Ber. Schweiz. Pal. Ges., voL 

 19, p. 726 (list), 1926.— Hada, Trans. Sapporo Nat. Hist. Soc, vol. 11, 

 pt. 1, p. 11, 1929. — Macfadyen, Geol. Survey Egypt, p. 51, pi. 1, figs. 8a, 6, 

 1930 (1931). 



Reussia spinulosa Schwager, Boll. Com. Geol. Ital., vol. 8, p. 26, 1877. — Cush- 

 man, Contr. Cushman Lab. Foram. Res., vol. 3, pt. 1, p. 68, pi. 14, fig. 16, 

 1927; Cushman Lab. Foram. Res. Special Publ. No. 1, p. 253, pi. 36, fig. 14; 

 pi. 37, fig. 14, 1928. — Cushman and Kellett, Proc. U. S. Nat. Mus., vol. 

 75, art. 25, p. 9, pi. 3, figs. 10a, b, 1929.— Cushman, Florida State Geol. 

 Survey Bull. 4, p. 48, pi. 8, figs. 17a, 6, 1930.— Cole, Florida State Geol. 

 Survey Bull. 6, p. 43, pi. 2, fig. 6, 1931.— Hada, Sci. Rep. Tohoku Imp. 

 Univ., ser. 4, Biol., vol. 6, p. 133, fig. 90, 1931. — Cushman and Ponton, 

 Florida State Geol. Survey Bull. 9, p. 84, pi. 12, figs. 14-16, 1932.— Cush- 

 man and Cah[ll, U. S. Geol. Surv. Prof. Paper 175A, p. 27, pi. 9, figs, la, 6, 

 1933. 



Reussella spinulosa Galloway, Man. Foram., p. 360, pi. 33, fig. 4, 1933. — 

 Cushman, Cushman Lab. Foram. Res. Special Publ. No. 4, pi. 22, fig. 17, 

 1933; No. 5, pi. 28, figs. 4a-c, 1933. — Bermudez, Mem. Soc. Cubana Hist. 

 Nat., vol. 9, p. 197, 1935. — Hadley, Journ. Elisha Mitchell Sci. Soc, voL 

 52, No. 1, p. 36, 1936. — Yabe and Asano, Science Rep. Tohoku Imp. Univ., 

 ser. 2 (Geol.), vol. 19, No. 1, p. 122 (36), 1937.— Asano, Saito Ho-on Kai 

 Mus. Res. Bull. 13, p. 116, pi. 16, fig. 3, 1937.— Chapman and Parr, Aus- 

 tralasian Antarctic Exped., ser. C, vol. 1, pt. 2, p. 94, 1937. 



Test pyramidal, 3-sided, triangular in transverse section, angles 

 of the test usually acute, the sides flat or slightly concave, initial 

 end acutely pointed, initial end and angles of chambers often with 

 sharp spines more or less strongly developed; sutures distinct, often 

 limbate, usually not raised but occasionally strongly so; wall of 

 medium thickness, calcareous, hyaline, usually distinctly perforate, 

 in some cases thickened and the surface roughened, occasionally 

 with definite beadlike ornamentation near the periphery of the 

 chamber; apertural end of test bluntly angled, the edges of the cham- 

 bers thickened, the aperture itself a curved slit at the base of the 

 inner margin of the chamber. Length, up to 1 mm.; breadth, 

 0.50-0.70 mm. 



This species is a very variable one especially in the amount of 

 spines ornamenting the test. It is a widely distributed species, occur- 

 ring at least as far back as the Miocene and being widely distributed 

 at the present time particularly in rather shallow water. In the 

 Pacific material it has occurred at numerous Albatross stations, data 

 for which are given in table 19. In the shallow water material it 

 has occurred about Fiji near Nairai, 12 and 24 fathoms; off Lcvuka, 

 Fiji, 12 fathoms; Viva Anchorage, Fiji, 3 fathoms; Mokaujar Anchor- 

 age, Fiji; and at the deeper station 40-50 fathoms off Fiji. It has 



