1919. One of the most common misconceptions of the occult sciences student is that which is expressed by the term supernatural. This term is used to express the idea of that which is outside of the realm of nature and of nature's laws. Advanced students and teachers of the occult doctrine know that we have no direct knowledge of anything outside the realm of nature and of nature's laws. Contents: nature's finer forces; mental vibrations and transmission; thought transference; clairvoyance and kindred phenomena; clairvoyance, past, present and future; mediumship; mediumistic conditions; how to develop mediumship; mediumistic phenomena; experiences in the circle; higher spirit manifestations.