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A monograph of the British fossil corals - kreidefossilien.de

A monograph of the British fossil corals - kreidefossilien.de

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TAB. VIII.<br />

CORALS FROM THE UPPER CHALK.<br />

Parasmilia centralis (p. 47).<br />

Fig. 1. A young specimen; natural size.<br />

1 a. The same, magnified to show <strong>the</strong> structure <strong>of</strong> <strong>the</strong> wall.<br />

1 h. Vertical section, magnified, so as to show <strong>the</strong> structure <strong>of</strong> <strong>the</strong> columella, <strong>the</strong><br />

dissepiments, &c.<br />

1 c. Calice, magnified ; 1, septa <strong>of</strong> <strong>the</strong> first cyclum ; 2 secondary septa ; 3, septa <strong>of</strong><br />

<strong>the</strong> third cyclum ; 4, 5, septa <strong>of</strong> <strong>the</strong> fourth and fifth or<strong>de</strong>rs, constituting <strong>the</strong><br />

foiirth cyclum.<br />

\ d,\e. Specimens remarkable by <strong>the</strong>ir great length.<br />

Parasmilia Mantelli (p. 49).<br />

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

2 a. The same, magnified.<br />

Parasmilia serpentina (p. 51).<br />

Fig. 3. Si<strong>de</strong> view <strong>of</strong> <strong>the</strong> corallum ; natural size.<br />

3 a. Calice, magnified.<br />

3 h. Portion <strong>of</strong> <strong>the</strong> wall, magnified.<br />

Ccelosmilia laxa (p. 52).<br />

Fig. 4. Si<strong>de</strong> view <strong>of</strong> <strong>the</strong> corallum ; natural size,<br />

4 «. A specimen, <strong>the</strong> growth <strong>of</strong> which has been intermittent ; natm'al size.<br />

4 h. The specimen No. 4, magnified, to show <strong>the</strong> structure <strong>of</strong> <strong>the</strong> waU.<br />

4 c. Calice, magnified.<br />

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

Fig. 5.<br />

Si<strong>de</strong> view <strong>of</strong> <strong>the</strong> coraUum; natural size.

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