This work's second section discusses esoteric aspects of Buddhism parodied in Christianity, and the opening of this work notes that scientific hypotheses are "built on sand" and its relationship with theology is a "conflict for the ages.
This work notes that Tyndall was on the verge of an incredible discovery of ether in a section titled "Astral Light," while another chapter from this work, "Blind Leaders of the Blind," references Huxley's theories involving the Orohippus. This work's second section discusses esoteric aspects of Buddhism parodied in Christianity, and the opening of this work notes that scientific hypotheses are "built on sand" and its relationship with theology is a "conflict for the ages." This work was divided into two sections titled after the infallibility of modern science and modern religion, which are  preceded by a section describing the wisdom present before modern society. Subtitled "A Master Key to the Mysteries," and preceding the author's later work The Secret Doctrine, for ten points, identify this first work of Theosophy written by Helena Blavatsky which refers to an Egyptian goddess.
This work notes that Tyndall was on the verge of an incredible discovery of ether in a section titled "Astral Light," while another chapter from this work, "Blind Leaders of the Blind," references Huxley's theories involving the Orohippus.
{Isis Unveiled}