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The following corrections refer to the above paper which was printed in part 989 of this volume. p. 114, third line from end of Abstract: for ‘Ifd /2 is even,. . . ’read ‘Ifd /2 is odd,. .. ’, and also on p. 124, at the end of the second line preceding formula (17). p. 119, 19 lines from end, d/a should bea/d . The first part of the next sentence should be: ‘Integral changes ofa/d , in (5) and (6), change the denominators of the terms fromd(M + a/d) to, say,d(M + n + a/d) , that is,. . . . ’ In the rest of the paragraph, for (3) read (5), and for (4) read (6). p. 122, 1. 10, the numerator should be ( — 1)M +1, and, in 1. 11, the denominator (Md )2m+1 should be (Md )2m-1

The three infinite harmonic series and their sums (with topical reference to the Newton and Leibniz series for π)