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Between the Great and Inferior Oolite near Bath, an argillaceous deposit, called "the fuller's earth," occurs; but it is wanting in the north of England. The number of mollusca known in this deposit is about seventy; namely, fifty Lamellibranchiate Bivalves, ten Brachiopods, three Gasteropods, and seven or eight Cephalopods.

In one collection of these shells, there were some valves of the Venus sinuosa, Lam., the same species found with the Mactra on the banks of the Uruguay. Besides these shells, cellular, highly crystalline rock, formed of the casts of small bivalves, is found near Ensenada; and likewise beds of sea-shells, which from their appearance appear to have lain on the surface.

In the first place, is it not most remarkable that if the ducks had discovered that the bivalves could not live in fresh water, they should not also have discovered that they could not live in the air? In fact, that they would die as soon in the air as in the fresh water?

The bed of mud and slime ran out from this yellow sand strip a surface diversified by puddles of muddy water, by pools, clear, ribbed with wavelets, and by little heaps of stones covered with lichens. The surface of the bed, whether pools or puddles, or rock-heaps, or sea-weeds massed, was covered by thousands and thousands of black, lozenge-shaped bivalves. These bivalves were the mussels.

Now Arethusa was getting somewhat tired of hearing of these bivalves and their extremely succulent taste; she did not want the entire evening to be given over to a discussion of oysters. There were other things. The Subject she had been at such pains to prepare, for instance, would make a much more interesting Conversation. So she plunged right in.

Another intimate friend of the kaiser, who possesses much the same talents de société as Baron Kiderlen-Waechter, and whose position in the high favor of the kaiser has been a subject of much unfavorable comment, and even of open abuse in Berlin, is Baron Holstein, popularly known as the "Austern-Freund" or "Oyster-Friend," owing to his altogether phenomenal capacity for the absorption of bivalves, and his strongly developed fondness for good cheer!

But their industry meets with less reward than was anticipated, and they return to the shore all out of sorts and enraged at the white people, whom they now look upon in the light of trespassers; for they know that to them is due the scarcity of bivalves among the kelp, where they had expected to reap a plentiful harvest.

We find exquisitely delicate structures, some inhabited by simple hydra-like polyps, others by more organised kinds. On the leaves, also, various shells, uncovered molluscs, and bivalves are attached. Innumerable Crustacea frequent every part of the plant.

There were not so many shells to be seen, and what there were, were principally bivalves. Mr. Kennedy returned this evening, and having again found it impossible to cross the swamps, we were obliged to return to the beach, where the travelling was far better than among the trees. While travelling inland a man was always obliged to walk before the carts, to cut down small trees.

"Aw, say!" put in Bobby, "that's all right for a story; but my idea of a real optimist is a man who's dead broke, going into a restaurant and ordering oysters on the half shell with the hope that he can pay for the dinner by finding a pearl in one of the bivalves."