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.