Page:A Treatise on Geology, volume 1.djvu/255

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CHAP. VI.
MESOZOIC STRATA.
239
3. Spongia plana. Phillips, from the chalk.
4. Plagiostoma spinosum. Sowerby. From the chalk.
5. Hamites intermedius. Phillips. From the Gault. (It belongs to the new genus Crioceratites.)
6. Spatangus hemisphsricus. Phillips. From the chalk.
7. Apiocrinus ellipticus. Miller, from Oie chalk.
8. Belemnites mucronatus. Brongniart. From the upper chalk. Several other species occur in the, English and European chalk.