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From the house we pass to the lawn, which is terminated by a wall with a raised and embowered terrace, from which we look over on the other side to the kitchen-garden, the New River, and thence onwards towards London. At each extremity of this wall is an octagonal garden-house, built by Prior Bolton—the one to the left having a small Gothic window in the basement story. (p. 48)
Canonbury manor is (or was) the country residence of the Priors at Islington, in the 16th century and onwards; Oliver Goldsmith also lived here.