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...steamboat called the 'Uncle Sam' which has just made its first trip from Pittsburgh where it was built. She's of the largest class; the engine and other parts are of the most splendid construction. I saw on her a machine for lowering freight into the hole and raising it out of a new construction or rather combination. It consists of a common wheel and axel with the axel connected to another axel by cog wheels which increases the power 9/50

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After this I went on the commons between this place & Portland for the purpose of collecting some shells which are found among decayed logs &c scattered over the fields. Here I found a few species of Helix or snail. On the second bank of the river I happened to come near a small pond of water on the bank of which among the weeds that were drifted there I found two or three species of Planorbus the Soymnet Heterostropha, the Cychas Similes and several other species of aquatic shells of which I do not know the...