This Act stipulates that every person who shall unlawfully persist in wandering or remaining upon any plantation, land or premises having been warned not to come thereon or to depart therefrom and every person who enters by night any dwelling-house, or any verandah or passage attached thereto, or any yard, garden or other land adjacent to or within the curtilage of such dwelling-house without lawful excuse, shall be guilty of an offence and on conviction thereof shall be liable to a fine.