Grotesque architecture, or, Rural amusement : consisting of plans, elevations, and sections, for huts, retreats, summer and winter hermitages, terminaries, Chinese, Gothic, and natural grottos, cascades, baths, mosques, Moresque pavilions, grotesque and rustic seats, green-houses, &c. : many of which may be executed with flints, irregular stones, rude branches, and roots of trees : the whole containing twenty-eight new designs, with scales to each : to which is added, an explanation, with the method of executing them