82 



BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



BULIMINA ELEGANS d'Orbigny. 



Bulimina elegans d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 270, No. 10; Modeles, 

 1826, No. 9. — Parker, Jones, and H. B. Brady, Ann. Mag-. Nat. Hist., 

 ser. 3, vol. 16, 1865, p. 20, pi. 2, fig. 64.— H. B. Brady, Rep. Voy. Challenger, 

 Zoology, vol. 9, 1884, p. 398, pi. 50, figs. 1-4 .— Egger, Abh. kon. bay. Akad. 

 Wiss. Munchen, CI. n, vol. 18, 1893, p. 284, pi. 8, figs. 66, 67.— Flint, Rep. 

 U. S. Nat. Mils., 1897 (1899), p. 290, pi. 36, fig. 3.— Millett, Journ. Roy. 

 Micr. Soc, 1900, p. 274, pi. 2, fig. 1. 



Description. — Test elongate, 

 conical, tapering to the acutely 

 pointed, sometimes mucronate, 

 apical end; chambers numerous, 

 inflated; sutures deeply depressed; 

 wall calcareous, smooth ; aperture 

 short, broad, and rounded; color, 

 white. 



Length 0.50-0.S5 mm. 



Distribution. — 

 The species has 

 not previously 

 been recorded 

 from the North 

 Pacific. The 

 specimens I have 

 examined were 

 from various 



stations off the coast of Japan, in 282-584 fathoms, and from 

 Bering Sea, in 536 fathoms. 



Fig. 134.— Bulimina elegans. x CO. a, apertural view; b. ventral 



view; c, dorsal view. 



BULIMINA ELEGANS d'Orbigny, var. EXILIS 

 H. B. Brady. 



Bulimina elegans d'Orbigny, var. exilis 

 H. B. Brady, Rep. Voy. Challenger, 

 Zoology, vol. 9, 1884, p. 399, pi. 50, 

 figs. 5, 6. — Millett, Journ. Roy. Micr. 

 Soc., 1900, p. 275. — Sidebottom, 

 Mem. Proc. Manchester Lit. and 

 Philos. Soc, vol. 54, No. 16, 1910, p. 12, 

 pl. 1, ng. 11. 



Description. — " Test much elongated, 

 slender, tapering, more or less com- 

 pressed on three sides; oral end sub- 

 acute or rounded, aboral extremity 

 acuminate. Segments numerous, ob- 

 lique, somewhat inflated, arranged in a regular triserial spire.'' 

 Length 0.75 mm. 



Distribution. — Brady records this variety from the North Pacific 

 at Challenger station 232, in 345 fathoms, on the Hyalonema- 



a 



Fig. 135. — Bulimina elegans, var. 

 exilis. X tSO. a, APERTURAL view: 6, 

 SIDE view; c, front view (after 

 Brady). 



