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A monograph of the British fossil corals - kreidefossilien.de

A monograph of the British fossil corals - kreidefossilien.de

A monograph of the British fossil corals - kreidefossilien.de

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TAB. IX.<br />

CORALS FROM THE UPPER CHALK.<br />

Cyathina l^vigata (p. 44).<br />

Fig. 1, la, Id. Specimens <strong>of</strong> different forms ; natural size.<br />

1 c. Calice <strong>of</strong> <strong>the</strong> specimen fig. 1 , magnified. It is to be remarked that in this<br />

specimen <strong>the</strong>re are only nine pali ; <strong>the</strong>se organs not existing in <strong>the</strong> half<br />

systems, where <strong>the</strong> septa <strong>of</strong> <strong>the</strong> fom'th cycliim are not <strong>de</strong>veloped.<br />

1 d. Cahce <strong>of</strong> <strong>the</strong> specimen fig. 1 i, magnified, and showing <strong>the</strong> twelve pali and<br />

<strong>the</strong> complete fourth cyclum <strong>of</strong> septa.<br />

Parasmilia Fittoni (p. 50).<br />

Fig. 2. Si<strong>de</strong> view <strong>of</strong> <strong>the</strong> corallum ; natm-al size.<br />

2 a. Specimen <strong>of</strong> a different form, magnified to show <strong>the</strong> structure <strong>of</strong> <strong>the</strong> wall.<br />

2 d. Calice, magnified.<br />

CORALS FROM THE LOWER CHALK.<br />

Synhelia Sharpeana (p. 53).<br />

Fig. 3. A branch <strong>of</strong> this compound corallum ; natural size.<br />

3 a. Portion <strong>of</strong> <strong>the</strong> same magnified.<br />

Stephanophyllia Bowerbankii (p. 54).<br />

Fig. 4. Calicular surface ; natural size.<br />

4 a. Si<strong>de</strong> view <strong>of</strong> <strong>the</strong> same, magnified.<br />

4 b. Cahce, magnified.<br />

4 c. Mural disc, magnified.

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