118 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 6 



Textularia articulata d'Orbigny 

 Plate 13, Figs. 3a, b, c, d 



Textularia articulata d'Orbigny, Foraminiferes fossi'les du bassin ter- 

 tfaire de Vienne, 1846, p. 250, pi. 15, figs. 16-18; Hosius, Naturhist. 

 Ver. Preuss. Rheinlande Verb., vol. 50, 1893, p. 109; Bagg, Bull. Am. 

 Pal., vol. 2, no. 10, 1898, p. 19; Maryland Geol. Survey, Miocene, 1904, 

 p. 471, pi. 132, figs. 6, 7; Cushman, U. S. Geol. Surv. Bull. 676, 1918, 

 p. 46; Cusbman and Valentine, Contr. Dept. Geol. Stanford Univ., vol. 

 1, no. 1, 1930, p. 8, pi. 1, figs. Aa, b; Cusbman and Cabill, U. S. Geol. 

 Surv. Prof. Paper 175-A, 1933, p. 8, pi. 1, figs. \2a, b. 



Textularia mariae d'Orbigny, Foraminiferes fossiles du bassin ter- 

 tiaire de Vienne, 1846, p. 246, pi. 14, figs. 29-31. 



Plecaniiim mariae (d'Orbigny), var. inerjnis Reuss, Sitz. k. Ak. Wiss. 

 Wien, vol. 55, Abtb. 1, 1867, p. 64, pi. 1, figs. 5-7. 



Plecanium spinulosum Reuss, Sitz. k. Ak. Wiss. Wien, vol. 55, Abth. 

 1, 1867, p. 65, pi. 1, figs. 3a, b. 



Plecanimn elegans Hantken, Magyar. Foldt. Tars. Munkalatai, vol. 

 4, 1869, p. 83, pi. l,figs. 5fl, ^. 



Plecanium lanceolatum Karrer, Sitz. k. Ak. Wiss. Wien, vol. 58, 

 Abth. 1, 1868, p. 129, pi. 1, fig. 2. 



Textularia lobata d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 263 

 Fornasini, Riv. Ital. Pal., vol. 7, 1901, p. 105, pi. 3, fig. 5. 



Textularia acuta d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 263 

 Fornasini, Riv. Ital. Pal., vol. 7, 1901, p. 105, pi. 3, fig. 2. 



Textularia consecta d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 262 

 Fornasini, Riv. Ital. Pal., vol. 7, 1901, p. 104, pi. 3, fig. 1. 



Textularia elongata d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 263 

 Fornasini, Riv. Ital. Pal., vol. 7, 1901, p. 105, pi. 3, fig. 4. 



Test elongate, two to five times as long as broad, typically com- 

 pressed, but may be rounded in the adult portion, sides nearly parallel, 

 periphery acute and slightly keeled, in some cases marked by short spines ; 

 chambers distinct, high and increasing in height toward the apertural 

 end; sutures distinct, straight to somewhat curved, oblique; wall dis- 

 tinctly arenaceous, with much cement, but usually very smoothly finished ; 

 aperture rather large, a high arched slit at the base of the inner margin of 

 the last-formed chamber. Length, up to 2.50-3.00 mm.; width, 0.30-0.45 

 mm.; thickness, 0.18-0.24 mm. 



