DISCORBINA TURBO. 291 



RoTULlXES, Defrance, Blainville. 



KosALiNA, d'Orhigny, Schultze, Parker and Jones, von Reuss, Terquem. 



Anomalina, d'Orbigny, von Eeuss. 



Teochtjlina, d'Orhigny. 



Valtulina, d'Orhigny, von Reuss. 



Asteeigeuina, d'Orhigny, von Reuss, Egger, Costa, Morris and Quekett, Karrer, 

 Terquem. 



RoTALiNA (pars), von Reuss, Williamson, Alcock, Parjitt, Terquem. 



DiscoEBiNA, Parker and Jones, Carpenter, Brady, von Reuss, M. Sars, Karrer, von 

 Giimhel, Miller and Vanden Broeck, Schultze, Roherfson, Winther, 

 von Hantken, Sid<lall, Shone, Marsson, Wright, M'dhius, Seguenza, 

 TerrigijSchivager, Macdonald, Goes, Howchin, Toutkowsky, Dawson, 

 Walther, Uhlig, Olszewski, Balkwill, Wright, Morris, K. Miller, 

 Zittel, Sherborn, Chapman, Rzehak, Biitschli, Wallich, Nicholson, 

 Schlumherger, Quensfcdt, de Folin, Millett, and others. 



General Characters. — Test free oi' adherent, rotaliform ; plauo-couvex or 

 trochoid, rarely complauate ; apei'ture au arched slit, often protected by an 

 umbilical flap, — the flaps sometimes forming a whorl of subsidiary chambers ; shell 

 coarsely porous. 



1. DiscoRBiNA TDRBO {d! OvUfjmj), 1826. Plate VII, figs. 29 a — c. 



EoTALiA (Teochulina) tuebo, d'Orh., 1826. Aun. Sci. Nat., toI. vii, p. 274, 



No. 39 ; Modele, No. 73. 



— TUEBO, J. and P., 1860. Quart. Jouru. Geol. See, vol. xvi, p. 306. 



— — — 1860. Anu. Mag. N. U., ser. 3, vol. v, p. 293. 

 DiscoKBiNA TUEBO, Carpenter, Parker, and Jones, 1862. Introd. Forani., 



pp. 204 aud 311. 

 _ _ vars., P. and J., 1865. Phil. Trans., vol. civ, p. 384. 



— — P., J, and B., 1865. Anu. Mag. N. H., ser. 3, vol. xvi, 



p. 30, pi. ii, fig. 68. 



— soLAEiuii, Seguenza, 1880. Atti K. Aeead. Lincei, ser. 3, Meraorie, 



vol. vi, p. 64, pi. vii, tig. 9. 



— TUEBO, Biitschli, 1880. Bronn's Klassen, &c., p. 260, pi. ix, fig. 10. 



— — Terrigi, 1883. Atti Accad. Pont. N. Lincei, vol. xxxv, 



p. 193, pi. iii, figs. 35, 36. 



— — Brady, 1884. Eeport ' Challenger,' p. 642, pi. Ixxxvii, 



figs. 8 a — c. 



— — Giimhel, 1885. Geol. Bayern., vol. i, part 2, p. 421, 



fig. 26621. 

 EoTALiA (Teochulina) TUEBO, Basset, 1885. Ann. Soc. Sc. Char. -Inf. de 1884, 



p. 162 fig. 73. 

 DiscoEBiNA TUEBO, Egger, 1893. Abhandl. k. Akad. Bayer. AViss., vol. xviii, 



pt. 2, p. 389, pi. XV, figs. 42—44. 

 38 



