62 



BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



PULVINULINA SCHREIBERSH (d'Orbigny). 



Rotalina schreibersii d'Orbigny, Foram. Foss. Bass. Tert. Vienne, 1846, p. 154, 

 pi. 8, figs. 4-6. 



Pulvinulina schreibersii Parker and Jones, Philos. Trans., vol. 155, 1865, p. 

 393.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 697, pi. 

 115, fig. la-c. — H. B. Brady, Parker, and Jones, Trans. Zool. Soc, Lon- 

 don, vol. 12, 1888, p. 228, pi. 46, fig. 4.— Egger, Abh. kon. bay. Akad. Wiss. 

 Munchen, CI. n, vol. 18, 1893, p. 409, pi. 18, figs. 31-33, 67-69.— Millett, 

 Journ. Roy. Micr. Soc, 1904, p. 501. — Chapman, Trans. New Zealand Inst., 

 vol. 38, 1905, p. 106.— Bagg, Bull. U. S. Nat. Mus., vol. 34, 1908, p. 163.— 

 Sidebottom, Mem. and Proc. Manchester Lit. and Philos. Soc, vol.- 53, No. 

 21, 1909, p. 8, pi. 3, fig. 8.— Chapman, Proc. Roy. Soc. Victoria, vol. 22, 

 1910, p. 289. 



Truncatulina schreibersii Seguenza, Atti Accad. Lincei, ser. 3, vol. 6, 1879, 

 p. 149, etc. 



Description. — Test subcortical, dorsal side elevated, apex broadly 

 rounded, ventral side slightly convex; peripheral margin bluntly 



rounded; chambers numer- 

 ous, about seven to nine in 

 the last-formed whorl; su- 

 tures but slightly depressed 

 above, curved, below more 

 depressed, the umbilical 

 ends filled with secondary 

 material to form a stellate 



TRAL VIEW; 6, SIDE VIEW; C, DORSAL VIEW. (AFTER TYPE maSS ; Wall finelv PUnCtate, 

 FIGURES BY D'ORBIGNY.) ' J r J 



smooth; aperture a narrow 

 opening extending from near the peripheral margin wholly or par- 

 tially to the umbilical end of the chamber. 



Diameter up to 1 .30 mm. 



Distribution. — The two stations in the vicinity of the Hawaiian 

 Islands recorded by Bagg seem to be the only records for this species 

 in the North Pacific. They are Albatross H4476 in 438 fathoms and 

 H4566 in 572 fathoms. 



a b 



-Pulvinulina schreibersii (d'Orbigny). 



C 



VEN- 



PULVINlTLINA PROCERA H. B. Brady. 



Plate 24, fig. 2; plate 25, fig. 2. 



Pulvinulina procera H. B. Brady, Quart. Journ. Micr. Sci., vol. 21, 1881, p. 66; 

 Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 698, pi. 105, fig. 7a-c— Bagg, 

 Bull. U. S. Nat. Mus., vol. 34, 1908, p. 163. 



Description. — "Test trochoid, forming an elevated cone with 

 rounded apex and flat or truncate inferior face; composed of numer- 

 ous convolutions, the last of which consists of about six segments; 

 segmentation very oblique, indistinct on the superior face, especially 

 near the center; sutures and periphery more or less limbate on the 

 inferior side; aperture an arched slit at the margin of the final seg- 

 ment, near the umbilicus. 



"Diameter, 1-22 inch (1.1 mm.)." 



