A Pictorial Atlas of Fossil Remains, consisting of coloured illustrations selected from Parkinson's "Organic remains of a former world," and Artis's "Antediluvian phytology."

by Gideon Algernon Mantell

Fig. 16. A vertical section of the same.

Fig. 17. This fossil, of which fig. 18, is a vertical section (Nummulites obtusa, of Sowerby), appears to belong to a different genus; probably Orbitolites, or Marginopora. Tertiary strata.

Fig. 19. A vertical section of a Nummulite, showing a cavity in the centre, probably from decomposition.

Fig. 20. A section of another species of Nummulite (N. dispansa ? of Sowerby);[58] Tertiary strata, India.

[58] See Sowerby's Mineral Conchology, vol. i.; and Mantell's Fossils of the South Downs.

Figs. 21 to 26, are various sections of a fossil Nummulite, of which fig. 37, represents the flat surface (Nummulites complanata, of Parkinson. This fossil belongs to the genus Discospira of Mr. Morris).[59]

[59] "Discospira, Nov. Gen. Disciform, volutions distrial, not embracing the previous ones, cells numerous." Mr. Morris, 1850.

Fig. 28. A species of Foraminifera (Fasciolites, of Parkinson; Alveolina elliptica, of D'Orbigny).

Fig. 29. A transverse section.

Figs. 30, & 31. Enlarged views of the same fossil. Fig. 31. A longitudinal section.