2267. Vanes are useful in the same way, but are an unsuitable garden ornament, though frequently introduced on the summits of garden buildings. The ideas to which they give rise, as connected with ships, flags, fairs, military standards, &c., are all opposite to the stillness and repose of gardens. Over a library or an office they are useful, connected with an internal index; and they are characteristic and proper over churches, family chapels, clock-towers, and domestic offices.