54 FORAMINIFERA OP THE CRAG. 



of several chambers in a linear series ; the primordial segment often very small. Septal 

 lines either straight or oblique ; usually constricted, occasionally level with the surface, 

 xiperture terminal, often pouting, and nearly always excentric. DentaUna is not separable 

 from Nodosaria, Vaginulina, and Mart/inidma, except artificially; for they all pass one 

 into the other by numerous gradations. 



Dentalina obliqua, Linne. Plate I, fig. 9. 



Orthoceras minimum, &c., Gualtieri, 1742. Index Test., pi. 19, fig. nn. 

 Nautilus obliquus, LimU% 1767. Syst. Nat., ed. 12, p. 1163, No. 281. 



— JUGOsus, Montagu, 1803. Test. Brit., vol. i, p. 198, pi. 14, fig. 4. 

 NoDOSAEiA SULCATA, iVi'/wow, 1825. Trans. Acad. Stockliolm, p. 341 ; 1827, Petref. 



Suecana, p. 8, pi. 9, fig. 19 ; Hisinger, Leth. Suec, 1837, p-33, 



pi. 10, fig. 4 (few-ribbed). 



— ELEGAN-s, Miinster, 1838. Neues Jabrb., 1838, p. 382, pi. 3, fig. 1. 



— (Dentalina) sulcata, B'Orb., 1840. Mem. Soc. Geol. Fr., vol. iv, p. 15, 



pi. 1, figs. 10—13. 



— — multicostata, Id. lb., p. 15, pi. 1, figs. 14, 15 (many- 



ribbed). 

 Dentalina jugosa, S. Wood, 1843. Morris's Cat. Brit. Foss., p. 61. 

 Nodosaria Zippei (parte), Reuss, 1845. Verst. Bobra. Kreid. I, p. 25, pi. 8, fig. 1. 



— AFFINIS, Id. lb., pi. 13, Sg. 16. 

 — costellata, Id. lb., fig. 18. 



Dentalina urnula, D'Orb., 1846. For. Foss. Vien., p. 54, pi. 2, figs. 31, 32 (Denta- 

 lina form of Nodosaria scalaris). 



— elegantissima, Id. lb., p. 55, pi. 2, figs 33 — 35 (few-ribbed). 



— bifurcata. Id. lb., p. 56, pi. 2, fig. 38, 39. 



— ACUTA, Id. lb.', figs. 40—43. 



— PKiM^VA, D'Oi-b., 1850. Prod. Paleont., vol. i, p. 242, No. 260. 



— SEMINUDA, Reuss, 1850. Denks. Akad. Wien., vol. i, p. 368, pi. 46, 



fig. 9. 



— BirURCATA, Id. lb., fig. 10. 



— ACUTicosTA, Id. lb., p. 369, pi. 16, fig. 11. ■ 



— Km Gil, Jones, 1850. King's Monogr. Permian Foss., p. 17, pi. 6, figs. 2, 3. 



— pungens, Reuss, 1851. Zeitsch. Deutach. Geol. Ges., vol. iii, p. 63, pi. 3, 



fig. 13. 



— MuENSTERi, Reuss, 1855. Sitz. Akad. Wien., vol. xviii, p. 31, pi. 1, fig. 8. 



— LONGICAUDA, Id. Zeitscb. Deutsch. Geol. Gesell., vol. vii, p. 267, 



pi. 8, fig. 12. 



— ACUTissiMA, Id. lb., pi. 8, fig. 13. 



— Steenstbupi, Id. lb., p. 268, pi. 8, fig. 14 fl. 



— SULCATA, Id. lb , fig. 14 b. 



— Baltica, Id. lb., p. 269, pi. 8, fig. 15. 



