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1. Plymouth Breakwater. 2. Moveable Axletree. 3. New
Harpoon. 4. Harpoon Guns. 5. Nautical Instrument. 6.
Machine to Sweep Chimneys. 7. Prevention of the Dry Rot.

1. Alkali from Potato Stalks. 2. Tungstic Acid. 3. Copper
dissolved in Hydrogen. 4. Homberg's Pyrophorus. 5. Test for
Sugar. 6. Temperature on and beneath the Surface of the
Earth. 7. Uranium. 8. Chronic Oxide and Acid. 9. Cocoa-
nut Oil. 10. Wire-gauze Safety lamp. 11. Snake Stones.
12. Strength of Ale. 13. Change of Colour by Acids. 14.
Yellow Die. 15. Analysis of Sweet Almonds. 16. Choles-
teric Acid. 17. Metallic Manganese. 18. Analysis of Bitter

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GENERAL LITERATURE AND MISCELLANEOUS COMMUNICATIONS.
1. Ancient Manuscripts. 2. Ancient Tomb. 3. Ancient
Subterranean Apartments. 4. Site of the Temple of Con-
cord at Rome. 5. Ancient Model of Measures. 6. Ancient
Coin. 7. Haches de Pierre. 8. Commerce. 9. On the Use
of Salt in feeding Cattle. 10. Lithovasa. 11. African
Expedition. 12. Saxon Piece of Antiquity. 13. Fine Arts
at Rome. 14. Antiquities. 15. Ancient Remains. 16.
Roman Coins. 17. Ship discovered in the Earth in Africa.

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