Selden's Uxor Hebraica as quoted in Gibbon's Decline and Fall, vol. v, p. 52, of Bonn's edition.
I may add that the curve yielded by 1896-97 is remarkably parallel with that yielded by the preceding nine years, but I have not thought it worth while to chart these two additional curves.
See "Rhythm of the Pulse," [Chart IV].