248 THE MEDALS OF CREATION. Crap. VII. 
ture whatever, but simply a surface covered with minute 
papilla. The present zoophyte is generally included in a 
nodule, and by a slight blow may be readily separated from 
Lien. 83. VENTRICULITES ALCYONOIDES. in Flint. Lewes. 
Ocellaria inclusa. Kéonig. 
Fig. 1.—Portion of the surface of fig. 2, magnified. 
2.—The fossil body extracted from the flint, fig. 4. 
2a.—Tranverse section of the same, showing a central spot of 
flint, surrounded by tubular cells. 
2b.—Two of the cells of fig. 2a, highly magnified. 
4.—The hollow flint, from which fig. 2 was extracted; the papillze 
on the surface, are casts of the apertures of cells. 
the surrounding flint ; it then has the appearance of a white 
calcareous cone, beset with regular cells, disposed in quincunx 
order (Lign. 83, fig. 2) ; leaving a conical cavity in the flint, 
which is covered with corresponding eminences (Lign. 83, 
jig. 4). Upon breaking the cone itself, it is found to con- 
sist of a dense reticulated structure, from one-eighth to a 
quarter of an inch in thickness (Lign. 83, fig. 2 a), invest- 
ing a solid nucleus of flint, the surface of the latter being 
covered with minute points, which are less regular than 
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