Plane Trigonometry and Applications . By E. J. Wilczynski, Ph.D., University of Chicago. Edited by II. E. Slaught, Ph.D., University of Chicago. Boston, New York and Chicago, Allyn and Bacon. 1914. Pp. xi + 265; Elementary Theory of Equations . By L. E. Dickson, Ph.D., University of Chicago. New York, John Wiley & Sons. 1914. Pp. v + 184.

red roses, all of one kind, on the table and an- other on the secretary; then at once the room seemed to become filled with roses of various red colors and of all sizes, in great bunches, wreaths and chains, and with regular banks of them, all around me, but mixed with some green foliage, as in the real bouquets.This beautiful illusion lasted only a short time.About this time I had a decided rush of blood to my head, with marked congestion, which caused me. to lie down.I then had a very disagreeable illusion.Innumerable human faces, of all sorts and sizes, but all hideous, seemed to fill the room and to extend off in multitudes to interminable distances, while many were close to me on all sides.They were all grimacing rapidly and horribly and under- going contortions, all the time growing more and more hideous.Some were upside down.The faces appeared in all sorts of bright and even intense colors-so intense that I could onily liken them to flames of fire, in red, puLrple, green and yellow colors, like fireworks.