Paulsen, F., Immanuel Kant: His Life and Doctrine, 1902. Vol. 75, No. 1941.

Aikens, H. A., The Principles of Logic, 1902. Vol. 75, No. 1942.

Drude, P., The Theory of Optics, 1902. Vol. 75, No. 1944.

Valentine, E. S., Travels in Space, 1902; and Walker, F., Aerial Navigation, 1902. Vol. 75, No. 1947.

Baillie, J. B., The Origin and Significance of Hegel’s Logic, 1901. Vol. 75, No. 1950.

Forsyth, A. R., Theory of Differential Equations, Vol. IV., 1902. Vol. 75, No. 1952.

Ellwanger, G. W., The Pleasures of the Table, 1902. Vol. 75, No. 1955.

Earle, Alice M., Sundials and Roses of Yesterday, 1902. Vol. 75, No. 1956.

Smith, Rev. T., Euclid: His Life and System, 1902. Vol. 76, No. 1961.

Report on the Meeting of the National Academy of Sciences, Washington, D. C., 1903. Vol. 76, No. 1974.