RICKMANSWORTH, a market-town of the county of Hertford. It is in the hundred of Cashio, seventeen miles from London, and stands at the spot where the river Gade falls into the Colne, which latter forms a part of the Grand Junction Canal. It is also near the course of the railway by which London is connected with Birmingham, and is thus highly favoured with respect to the facilities of communication. The church is a fine large fabric of an ancient date. The town has some trade in straw-hats and in