Dr. Herbert Nichols, Ph.D., instructor in psychology at the University from 1890 to 1893, will speak on "A Crisis in Science" at a meeting of the Philosophy Club in Conant Common Room at 8.30 o'clock this evening. Dr. Nichols was a friend of Dr. William James, and is the author of several works on philosophy, the most notable of which is his "A Treatise on Cosmology."