158 F0RAM1NIFERA OF THE CRAG. 



Schizophora, Reuss, Hantken, Karrer, Seguenza, Schlumberger. 

 Venilina, Giimbel. 

 Climacammina, Brady, Schwager. 

 Stylolina ? Karrer. 

 Ceibostomum, pars, Moller. 



General Characters. — Textilarian ; dimorphous, being biserial in early growth 

 and uniserial in a straight line afterwards ; aperture terminal, round, and 

 sometimes pouting. 



1. Bigenerina nodosaria, cVOrbigny, 1826. Plate III, fig. 19 (Verneuilina 



communis) . 



Part I, 1866 {Verneuilina communis), Appendix II, Table, No. 65. 



Bigenerina nodosaeia, d'Orb., 1S26. Ann. Sci. Nat., vol. vii, p. 261, No. 1, 



pi. xi, figs. 9—12 ; Modele No. 57. 

 pusilla, Botner, 1838. N. Jahrb. fur Min., &c, p. 384, pi. iii,fig. 20. 

 agglutinans, d'Orb., 1846. For. Foss. Vienne, p. 238, pi. xiv, 



figs. 8—10. 

 nodosaria, Reuss, 1846. In Geinitz's Grundr. Verstein., p. 677, 



pi. xxiv, fig. 67. 

 torulosa, Costa, 1856. Atti Accad. Pont., vol. vii, p. 285, pi. xv, 



fig. 12. 



— annulata, Idem. Ibid., p. 284, pi. xv, fig. 13. 



— bifida, Idem. Ibid., p. 287, pi. xxiii, fig. 1. 



nodosarta, P. and J., 1863. Ann. Mag. Nat. Hist., ser. 3, vol. xi, p. 97. 

 Clavulina elegans, Karrer, 1864. Novara-Exped. Geol. Theil, vol. i, p. 80, 



pi. xvi, fig. 11. 

 Bigenerina nodosaeia, Reuss, 1865. Model No. 58. (Catal. No. 12, 1861.) 



P., J., and B., 1865. Ann. Mag. Nat. Hist., ser. 3, 



vol. xvi, p. 28, pi. ii, fig. 62. 

 Textularia agglutinans, var. (Bigenerina) nodosaria, P. and J., 1865. Phil. 



Trans., vol. civ, p. 371, pl.xv, fig. 25 ; and 

 pi. xvii, fig. 80. 

 Verneuilina communis, J., P., and B., 1866. Monogr. Foraui. Crag, No. 65, 



Table, Appendix II. 

 Bigeneeina nodosaeia, Terriiji, 1880. Atti Accad. Pont., ann. xxxiii, p. 192, 



pi. ii, fig. 28. 

 Textulaeia gibbosa, forma Bigeneeina, Goes, 1882. K. Svensk. Vet. Akad. 



Hand!., vol. xix, No. 4, p. 79, 

 pi. v, figs. 162—164. 

 Bigenerina agglutinans, var. nodosaria, Jones, 18<s:i In Microgr. Diet., ed.4, 



p. 96, pi. xiii, figs. 50 a, b. 

 nodosaeia, Brady, 1884. Keport ' Challenger,' p. 369, pi. xliv, 



figs. 14—18. 



