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T H E TASMANIAN NATURALIST. 79

Df a beautifully constructed shell 'possessed by the ancestors of these.animals. As regards internal structure the Mollusca are very highly-developed. They have excellent digestive systems, well developed

nervous systems, and possess in many cases eyes, balancing organs, andmeans of testing the quality of the water in which they live. The eyesof the cuttlefish are as good as the same organs in many of the highervertebrates.

In the digestive system, most of the higher Mollusca agree inhaving in the mouth a peculiar ribbon, studded with teeth like a rasp,'by means of which they grind up their food or even bore holes through

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80 T H E TASMANIAN NATURALIST.

n ew tan ern

" H E Committee decided that an up-to-date lantern is necessary forU throwing microscopic slides, &c., on the screen, and have thereforeordered a B. and L. portable Balopticon, model C, with electric lamp.projection lenses, microscopic attachment, opaque projective, rheostat,and switch, at a total cost of 20 7S. 6d. A subscription list has beenopened, and all Members are invited to forward contributions. Thefollowing have already done so : -Miss W. S. Ross, Messrs. J. W. Beattie.R. A. Black, A. L. Butler, W. C. Cato, W. H. Clemes, E. A. Elliott, C.H. Elliott, T. Thompson Flynn, Robt. Hall, C. T. Harrisson, A. M. Lea,

C. E. Lord, E. Maxwell, C. A. Pitman, C. B. Pitman, A. R. Reid.L. Rodway, W. Smithies, R. Stops, J. W. Tarleton, W. E. Taylor, W. T.Todd, A. R. Tucker, A. E. Wadsworth, B. R. Walker. Total amountdonated is 9 Ss.

easter Camp-Out

I i ) \EEP HOLE, near Southport, has been decided upon as the site! ! ! I of the Camp for f 9 1 I , and the S.8. Togo has been chartered toconvey Members there. Several launches will be in readiness toconvey Members to places of interest, and a very successful Camp is.assured. The site chosen is within easy reach of the famous lda BayCaves, the picturesque South port Lagoon, and the noted site ofGeorge I l l . wreck, and other shipwrecks. Deep sea dredging and

fishing, it is hoped, will be a feature of the Camp.

J. Walch & Sons, Printers, Hobar t .