**E 5026.50 Quarterly Journal of Pure and Applied Mathematics. Vol. 1-50. (Continued 1) Editors: Vols. 1-15, J. J. Sylvester, N. M. Ferrers and others ; vols. 16-20, N. M. Ferrers, A. Cayley, J. W. L. Glaisher; vols. 21-25, N. M. Ferrers, A. Cayley, J. W. L. Glaisher, A. R. Forsyth; vol. 26, Cayler. Glaisher, Forsyth; vol. 27, Glaisher, Forsyth; vols. 28-, J. W. L. Glaisher. Vol. 45 contains an index to vols. 31-45. (Continued )