Page:Quarterly Journal of the Geological Society of London, vol. 27.djvu/237

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PRESTWICH—CRAG-BEDS OF SUFFOLK AND NORFOLK.
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with magnificent specimens of Cyprina islandica, Mya truncata, Panopæa Faujasii, various species of Astarte, Cardita, Venus, and other shells. These beds belong to the zone d[1]

At Low Gedgrave, there is a shallow pit near the farm-buildings, showing a section composed of layers of comminuted shells with irregular seams of shelly limestone and sand, in which a number of

  1. As showing the importance of keeping each stratum separate, I give two special lists of specimens collected by my friend the late Dr. Woodward during a residence of some weeks in the district. In the one case (Broom Hill) the fossils of zone d (including parts of e), and in the other (Gomer) those of zone f, thus appear as distinct groups. Coralline Crag. Keeper's-Lodge pit, Broom Hill (near Orford). (Bivalves abundant; univalves comparatively scarce. Authority, S. P. Woodward, from specimens collected in 1863.)
    • Cypræa europæa.
    • Buccinum undatum.
    • Turritella incrassata.
    • Scalaria subulata.
    • —— clathratula.
    • Rissoa crassistriata.
    • Cæcum mamillatum.
    • Trochus zizyphinus.
    • —— formosus.
    • Margarita trochoidea.
    • Adeorbis striata.
    • Natica proxima.
    • Calyptræa chinensis.
    • Emarginula fissura.
    • Fissurella græca.
    • Anomia ephippium.
    • —— striata.
    • Ostrea edulis.
    • Pecten maximus.
    • —— Gerardii.
    • —— tigrinus.
    • —— pusio.
    • —— opercularis (very abundant).
    • Lima Loscombii.
    • Pinna pectinata.
    • Mytilus hesperianus.
    • Crenella sericea.
    • Pectunculus glycimeris (abundant).
    • Limopsis aurita.
    • Nucula nucleus.
    • Leda semistriata.
    • Lucina crenulata.
    • —— borealis (abundant).
    • Diplodonta rotundata.
    • Lucinopsis Lajonkairii.
    • Verticordia cardiiformis.
    • Cardium strigilliferum.
    • —— decorticatum.
    • Cardita senilis (abundant).
    • —— scalaris (abundant).
    • Cardita orbicularis.
    • —— corbis.
    • —— ——, var.
    • Astarte Basterotii.
    • —— mutabilis.
    • —— Omalii (very abundant).
    • —— gracilis.
    • —— Burtinii.
    • Cyprina islandica (very abundant).
    • —— rustica.
    • Cytherea chione.
    • —— rudis.
    • Venus imbricata.
    • —— casina (abundant).
    • —— ovata.
    • Psammobia ferroënsis.
    • Tellina obliqua.
    • —— donacina.
    • Mactra arcuata.
    • Solen ensis.
    • Thracia inflata.
    • —— ventricosa.
    • Corbula nucleus.
    • Mya truncata.
    • Panopæa Faujasii (abundant).
    • Glycimeris angusta.
    • Lingula Dumortieri.
    • Terebratula grandis (abundant).
    • Spirorbis.
    • Balanus crenatus.
    • Blumenbachium globosum.
    • Fascicularia, sp.
    • —— tubipora.
    • Cladocora cariosa.
    • Turbinolia Milletiana.
    • Echinus Woodwardi.
    • Spatangus.
    • Discoporella.
    • Heteropora pustulosa.