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FOSSIL SHELLS FROM THE GREEN-SAND STRATA OF THE ISLE OF WIGHT

DESCRIPTION OF PLATE V.

FOSSIL SHELLS FROM THE LOWER GREEN-SAND DEPOSITS.

Fig. 1.—Thetis minor; from the ferruginous sand-rock at the base of Shanklin Cliff.

2.-Another view of the same, to show the beaks and hinge-line.

3.-Gryphea sinuata; represented one-fourth the natural size; it is often found much larger. From the Green-sand at Shanklin, Ventnor, Sandown, &c.

4.-Tornatella albensis; from the Cracker Rocks, Atherfield. 5.-Terebratula sella; an abundant shell in the sand at Atherfield. 6.-Nucula scapha; from the sand-rock, Atherfield.

The three following shells are imbedded in a fragment of the Crackers' Rock, from Atherfield.

7.-Natica rotundata.

8.-Pterocera retusa.

9.-Rostellaria Robinaldina.

10.-Cerithium turriculatum; from Atherfield.

11.-Scaphites gigas; from Atherfield. The figure is but one-third

the size, linear, of the original.

This fossil is often found two feet in length, associated with Ammonites

equally gigantic.

FOSSIL SHELLS FROM THE GREEN-SAND STRATA OF THE ISLE OF WIGHT.

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