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." . k,) from the Chalk of Kent. This isa characteristic species of the white chalk, and abounds in the strata of the Northand South Downs. At Northfleet, near Gravesend, the quarry-men find beautifulspecimens. 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 floriformarrangement, {Eckinodisous bisperforatus, of Parkinson; Lobophora biperf
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." . k,) from the Chalk of Kent. This isa characteristic species of the white chalk, and abounds in the strata of the Northand South Downs. At Northfleet, near Gravesend, the quarry-men find beautifulspecimens. 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 floriformarrangement, {Eckinodisous bisperforatus, of Parkinson; Lobophora biperforata, ofDesor,) from Tertiary Strata, Verona. Fig. 7. A small discoidal echinite (Discoidea subuculus, of Leske,) from the upper greensand ofWarminster. Fig. 8. The floriform radiated part of the shell of an echinite (Clypeaster), from the tertiarystrata 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 {Conulm albogalerus, of Leske; Galerites, of Agassiz), commonin the chalk of Kent and Sussex, Fig. 11. View of the base of fig. 10, showing the situation of the two apertures of the FOSSIL FAUNA. 129 PLATE LV. Fossil Sea-Urchins, or Echinites. Fig. 1. The shell of a Turban Echinite (Cidaris sawatilis, of Parkinson)^ broken in two, and eachpiece imbedded in the same fragment of flint. From Kent. Fig. 2. A round Buckler Echinite {EcUnodiseus {Clypeaster) subrotundus, of Parkinson), from Italy. Fig. 3. The upper surface of an Echinite {Spatangites (Disaster, of Agassiz) omlis, of Parkinson);from Scarborough. Fig. 4. View of the upper, and fig. 5, of the lower surface of an Echinite, {Spatangm{Hemipneaster, of Agassiz) radiatus, of Parkinson,) from the cretaceous strata of Moimtain, Maestricht. Fig. 6. A small Echinite {Echinites {Nucleolites, of Leske) pyriformis, of Parkinson), from thecretaceous strata of Maestricht. Fig. 7. A small Echinite of a different genus {Echinites (Cassid
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectpaleontology, bookyea
