DISCORBINA ROSACEA. 293 



DiscoRBiNA GL0BTJLAEI9, i?ra(?y, 1884. Eeport 'Challenger,' pp. 627 and 6i3, 



pi. Ixxxvi, figs. 8, 13. 

 EosALiSTA GLOBULAEis, Basset, 1885. Ann. Soc. Sci. Char.-Inf. de 1884, p. 169, 



fig. 69. 

 DiscoEBiNA GLOBULAEIS, Brady, 1887. Journ. R. Micr. Soc, p. 918. 



— — Walther, 1888. Mittb. Zool. Stat. Neapol, vol. viii, 



p. 382, pi. XX, fig. 1. 



— — B., P., and J., 1888. Trans. Zool. Soc, vol. xii, pt. 7, 



p. 226, pi. xlvi, figs. 6 a — c. 



— — Terrigi, 1889. Mem. E. Ace Lincei, ser. 4, vol. vi, 



p. 115, pi. vi, fig. 20. 



— — — 1891. Mem. E. Com. Geol. Ital., vol. iv, 



p. 105, pi. iv, fig. 7. 



— — Egger, 1893. Abh. k. Bayer. Ak. Wisa., vol. xviii, pt. 2, 



pi. XV, figs. 7 — 9. 



— — Goes, 1894. K. Svensk. Vet.-Ak. HandL, vol. xxv, 



No. 9, p. 94, pi. XV, fig. 793. 



Characters. — Helicoid shell, with low spire, showing several chambers, inflated, 

 especially the last, sutures depressed, rarely limbate, lower face of shell nearly 

 flat, showing about five chambers. 



Occurrence. — Dlscorhina globularis has a wide geographical range, having been 

 found in nearly all seas from Davis Strait in the North to Magellan's Strait in 

 the South. It is more common in temperate and sub-tropical waters ; and has 

 not, according to the ' Challenger ' Report, been yet found at depths greater than 

 450 fathoms. 



Fossil specimens have been found in the Eocene, London Clay, and Calcaire 

 Grossier, the Miocene of Bavaria, Southern Italy and Muddy Creek (Victoria), the 

 Pliocene of Italy and St. Erth, and in the Pleistocene of the British Isles, Italy, 

 and elsewhere (Brady). It is not a common fossil in the Coralline Crag. The 

 figured specimen is from Tattingstone, zone d. 



3. DiscoKBiNA EosACBA {(V OrUguy) , 1826. Plate IV, figs. 17 a — c. 

 Part I, 1866, Appendices I and II, Tables, No. "7^. 



Ammoniae Planorbes, Soldani, 1780. Sagg. Oritt., p. 104, pi. iii, fig. 24, m, M, N ; 



and Test., vol. ii. Appendix, p. 140 (same 

 figs.). 

 EoTALTA EOSACEA, d'Orligtig, 1826. Ann. Sci. Nat., vol. vii, p. 273, No. 15 ; 



Modele, No. 39. 

 AsTEEiGEEiNA PLANOEBis, d'Orbigny, 1846. For. Toss. Vien., p. 205, pi. xi, 



figs. 1—3. 



