Description: Patent for a new and improved ant trap. This design "consists in a frame which is adapted to be placed over the ant-hill, so as to surround the entrance thereto, and provided with parallel surrounding flanges or sides which converge to each other and lead to an exit-spout . . . [and] is to provide an ant-trap which is adapted to catch the ants both on their attempt to leave the hill or to return to it, whereby the entire colony may be exterminated" (lines 9-21).
Date: January 4, 1887
Creator: Wise, David