294 FORAMINIFERA OF THE CRAG. 



AsTERiGEEiXA EOSACEA, d'Orbigiiy, 1852. Prodrome Paleont., vol. iii, p. 158, 



No. 2952. 

 RoTALiNA MAMiLLA, Williamson, 1858. Eec. For. Gt. Brit., p. 54, pi. iv, figs. 



109—111. 

 RoTALiA EOSACEA, Jones and Parker, 1860. Quart. Journ. Geol. Soc, vol. xvi, 



p. 302, No. 129 (Table). 

 DiscoitBiNA EOSACEA, Brady, 1864. Trans. Linn. Soc, vol. xsiv, p. 473, No. 69. 

 AsTEEiGEEiNA PLAN0EBI3, Beuss, 1864. Sitzungsb. Ak. Wiss. "Wien, vol. 1, p. 476. 

 DiscoEBiNA TUEBO, var. EOSACEA, Parker and Jones, 1865. Phil. Trans., vol. civ, 



p. 385, pi. xvi, figs. 28 a, h. 



— EOSACEA, Parker, Jones, and Brady, 1865. Ann. Nat. Hist., ser. 3, 



vol. xvi, p. 25, pi. ii, fig. 71. 



— — Brady, 1865. Nat. Hist. Trans. Northumberland and 



Durham, vol. i, p. 104, No. 2. 

 RoTALiNA MAMiLLA, Alcock, 1865. Proc. Lit. Phil. Soc. Manch., vol. iv, p. 206. 

 DiscoEBiNA pLANOEBis, Beuss, 1866. Denkschr. k. Akad. Wiss. Wien, vol. xxv, 



p. 161. 



— ROSACEA, J., P., and B., 1866. Monogr. For. Crag, Appendices, 



No. 76, pi. iv, figs. 17 a—c. 



— — Sars, 1868. Vidensk-Selsk. Forhandl. for 1868, p. 249. 



^ — Brady, 1868. (In Crosskey and Robertson) Trans. Geol. 



Soc. Glasgow, vol. iii, p. 125, &c. 

 RoTALiNA MAMILLA, Parfitt, 1869. Trans. Devon. Assoc, vol. iii, p. 13 (?). 

 DiscoEBiNA EOSACEA, Brady, 1870. Ann. Nat. Hist., 4th ser., vol. vi, p. 303. 



— — Parker, Jones, and Brady, 1871. Ibid., vol. viii, p. 254. 



— — Siddall, 1878. Proc. Chester Soc. Nat. Sci., pt. 2, p. 55. 



— — Goiis, 1882. K. Svensk. Vet.-Akad. Handl., vol. six. No. 4, 



p. 105, pi. viii, figs. 251—257. 



— — Jones, 1883. Microgr. Diet., ed. 4, p. 267, pi. xxiv, 



figs. 7 a, h. 



— — Brady, 1884. Report ' Challenger,' p. 644, pi. Ixxxvii, 



figs. 1 and 4. 

 RoTALiA EOSACEA, Basset, 1885. Ann. Soc. Char.-Inf., vol. xsi, p. 162, fig. 39. 

 DiscOEBiNA EOSACEA, Sherborn and Chapman, 1886. Journ. R. Micr. Soc, ser. 2, 



vol. vi, p. 756, pi. xvi, figs. 11 a, b. 



— — Fornasini, 1886. Boll. Soc. Geol. Ital., vol. v, p. 145. 



— — Brady, 1887. Journ. R. Micr. Soc, p. 918. 



— — Eyyer, 1893. Abh. k. Bayer. Ak. Wiss., vol. xviii, pt. 2, 



p. 385, pi. XV, figs. 39-41. 



— — Fornasini, 1894. Foram. Coll. Soldani, Sagg. Oritt., p. 13. 



— — Goes, 1894. K. Sv. Vet.-Ak. Handl, vol. xxv. No. 9, 



p. 94, pi. XV, fig. 792. 



— — Egger, 1895. Jahresb. xvi, Nat. Ver. Passau, p. 35, pi. iv, 



figs. 12 a — c. 



Characters. — Shell trochoid, conical, composed of three to four convolutions, 

 each consisting of from four to seven segments. Searraents convex on their 



