DESCRIPTION OF THE PLATES. 
4NG, IIE 
Fig. 1. Turbinolia suleata: a, magnified; 4, end view magnified. 
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ee: , younger individual: a, magnified; 6, end view magnified. 
2. Oculina raristella: a, upon a pebble; 4, fractured surface ; c, part of the same slightly 
magnified ; d, part of the same highly magnified. 
3 ? dendrophylloides: a, portion magnified ; 4, surface magnified. 
4. Dendrophyllia?: a, end view; 6, portion magnified ; ¢, variety. 
5. Siderastrea Websteri, upon a pebble: a, young state magnified; 6, full-grown star 
magnified ; c, portion of full-grown star highly magnified; d, longitudinal section ; 
e, portion of an old specimen. 
6. Stylophora monticularia: a, small specimen; 6, small specimen magnified; c, young 
cell highly magnified. 
7. Porites panicea: a, surface magnified ; 6, edge view, natural size. 
8. Lunulites urceolata?: a, upper surface magnified ; 6, under surface magnified. 
8*. radiata? : a, upper surface magnified ; b, under surface magnified. 
9. Eschara Brongniarti?: a, magnified. 
he , irregularly grouped cells: a, magnified. 
10. Cellepora petiolus: a, magnified ; b, edge view magnified. 
Tas. II. 
1. Solen obliquus. Fig. 7. Nucula similis. 
2. Crassatella compressa. 8. Corbula longirostris ? 
3. Tellina plagia. 9. Nucula serrata. 
A. tumescens. 10. Corbula longirostris ? 
5. Cytherea obliqua. Ne Gallica. 
6. Sanguinolaria Hollowaysu. 12. Panopza corrugata. 
6a. Cardilia leviuscula. 13. Nucula bisulcata. 
