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. 5. An oval echinite (Nucleolites,) from Verona.

Fig. 6. A portion of a very flat echinite, in which the rays or ambulacra are in a floriform arrangement, (Echinodiscus bisperforatus, of Parkinson; Lobophora biperforata, of Desor,) from Tertiary Strata, Verona.

Fig. 7. A small discoidal echinite (Discoidea subuculus, of Leske,) from the upper greensand of Warminster.

Fig. 8. The floriform radiated part of the shell of an echinite (Clypeaster), from the tertiary strata of Malta.

Fig. 9. A cast in flint of part of the interior of the case or shell of an echinite.

Fig. 10. An elegant conical echinite (Conulus albogalerus, of Leske; Galerites, of Agassiz), common in the chalk of Kent and Sussex.

Fig. 11. View of the base of fig. 10, showing the situation of the two apertures of the shell.

Plate LV.