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

This page has been proofread, but needs to be validated.
PRESTWICH—CRAG-BEDS OF SUFFOLK AND NORFOLK.
123

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.