DISCORBINA TURBO. 291 



KoTULiTES, Defrance, Blainville. 



EosALiNA, d'Orhigni/, ScJtultze, Parker and Jones, von JReuss, Terquem. 



Anomalina, d'Orbir/ny, von Heiiss. 



Tkochulina, d'Orligny. 



Valtulina, d'Orbigny, von Seuss. 



AsTEElGEEiNA, d'Orbignj/, von Eeuss, Egger, Costa, Morris and Quekett, Karrer, 

 Terquem. 



EoTALiNA (pars), von lieuss, Williamson, Alcock, Parjitt, Terquem. 



DiscoEBiNA, Parker and Jones, Carpenter, Bradt/, von Peuss, M. Sars, Karrer, von 

 Gilmbel, Ililler and Vanden Proeck, Schultze, Robertson, Winther, 

 von Uantken, Siddall, Shone, Marsson, Wright, Mijbius, Seguenza, 

 Terrigi, Schicager, Macdonald, Goes, Howchin, Toutkowsky , Dawson, 

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

 Zittel, Sherborn, Chapman, Bzehak, Biitschli, Wallich, Nicholson, 

 Schlumberger, Quenstedt, de Folin, Millett, and others. 



General Characters. — Test free or adherent, rotaliform ; plano-convex or 

 troclioid, rarely complanate ; aperture an arched slit, often protected by an 

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

 coarsely porous. 



1. DiscoRBiNA TUEBO {d' Ovbignij), 1826. Plate VII, figs. 29 a — e. 



EoTALiA (Trocuulina) TURBO, d'Orb., 1826. Ann. Sci. Nat., vol. vii, p. 274, 



No. 39 ; Modele, No. 73. 



— TURBO, J. and P., 1860. Quart. Journ. Geol. See, vol. xvi, p. 306. 



— — — 1860. Ann. Mag. N. H., ser. 3, vol. v, p. 293. 

 DiscoRBiNA TURBO, Carpenter, Parker, and Jones, 1862. Introd. Foram., 



pp. 204. and 311. 



— — vara., P. and J., 1865. Phil. Trans., vol. civ, p. 384. 



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



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



— SOLARIUM, Seguenza, 1880. Atti E. Accad. Lincei, ser. 3, Memorie, 



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



— TURBO, 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. 



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



fig. 266^1. 

 EoTALiA (TROcnuLiNA) TiRBo, Basset, 1885. Ann. Soc. Sc, Char.-Iuf. de 1884, 



p. 162, fig. 73. 

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



pt. 2, p. 389, pi. XV, figs. 42—44. 



38 



