Knots and Splices

Listing, in his Vorstudien zur Topol ogie, 1847, became the founder of the theory of knots, but Tait, 1876-77, has written the most extensively on the subject. A knot must neither slip nor jam, must hold under strain and Knots. afterward be easy to untie. Nearly 200 different knots are used on shipboard. Splicing is resorted to when a knot is not desired. The ends of the ropes are unlaid, and then the strands are interlaced, cutting out some to prevent undue thickening. Knotweed. All species of the genus Polygonum , weedy plants of wide geographical distribution.