Mathematical recreations and essays . A. Left index loop off finger, and then overright index loop to base of right index. Release original right index loop, andpull. To throw the spear from one hand to the other, proceed thus. Put theleft index between the left ulnar thumb string and the left radial little-fingerstring, then push it up from below into the right index loop. Then opening theright hand, drawing it sharply to the right, and at the same time taking theright index out of its loop, the spear is transferred to the other hand. Theprocess can be indefinitely repeated with one hand or t
Mathematical recreations and essays . A. Left index loop off finger, and then overright index loop to base of right index. Release original right index loop, andpull. To throw the spear from one hand to the other, proceed thus. Put theleft index between the left ulnar thumb string and the left radial little-fingerstring, then push it up from below into the right index loop. Then opening theright hand, drawing it sharply to the right, and at the same time taking theright index out of its loop, the spear is transferred to the other hand. Theprocess can be indefinitely repeated with one hand or the other. Diamonds. Numerous lattice-work forms have been col-lected in which diamonds or lozenge-shaped figures are strungin a row, or in two or more rows, between two parallel describe a few of these. Triple Diamonds. This is an interesting figure—seefigure vii—and lends itself to a catch described comes from the Natik natives in the Caroline Islands, butpossibly is of negro origin. It is not Figure vii. Triple Diamonds. The formation of Triple Diamonds is described by Mrs Jayne (pp. 142—146),and may be effected as follows. First. Take up the string in the form ofOpening A. Second. Take the right hand out of all the loops, and let thestring hang straight down from the left hand, which is held upright with thefingers pointing upwards. Third. Put the tips of the right thumb and little-finger together, and insert them from the right side into the left index loop. 362 STRING FIGURES [CH. XVIII Next, separate the right thumb and little-finger, take the loop off the left index,and draw the hands apart. Fourth. Put the right index-finger under the leftpalmar string, and draw the loop out on the back of the finger. Fifth. Bendthe right thumb over one string (viz. the near or radial right index string), takeup from below on the back of the thumb the far or ulnar right index string, andreturn. Sixth. Bend the left thumb away from you over one
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