LIST OF ILLUSTRATIONS.

PAGE
Figs. 1 to 8.Types from nature, illustratingdevelopment of a solar system from the attenuated matter of space[Frontispiece].
Fig. 9.A typical sun-spot[57]
Fig. 10.Structure of the sun, analyticalillustration of[60]
Fig. 11.Electrical polarities of sun andplanets[82]
Fig. 12.Ideal view of the generation andtransmission of planetary electricity[89]
Fig. 13.The aurora borealis, view of[91]
Fig. 14.Diffused brush discharge of anelectrical machine[91]
Fig. 15.Planetary generation andtransmission of electrical energy to the sun, analytical illustrationof[101]
Fig. 16.Gradual discharge of electricityfrom one conductor to another in a partial vacuum[103]
Fig. 17.Sudden electrical discharge throughthe atmosphere[103]
Fig. 18.Position of planets with referenceto the generation of sun-spots; maximum and minimum of electricalaction[108]
Fig. 19.Analysis of a typical sun-spot[112]
Fig. 20.Retardation of sun-spots in theirtravel across the solar face; development to the rear and recession infront[114]
Figs. 21 and 22.Complex lines of planetaryelectrical action upon the sun produced by the inclination of the solaraxis to the plane of the ecliptic[120]
Figs. 23 to 29.Examples of electrical repulsion:Fig. 1, similarly electrified pith-balls; Fig. 2, the electricalwindmill; Fig. 3, repulsion of a flame; Fig. 4, self-repulsion around aconductor; Fig. 5, attraction between opposite and repulsion betweensimilar electricities; Fig. 6, mutual repulsion between similar +electrospheres of the earth and the moon; Fig. 7, mutual repulsionbetween the similar—electrospheres of sun and comet[124]
Figs. 30 to 34.Spectra of solar light,incandescent sodium and calcium, and the absorption and bright-linespectra of hydrogen gas[155]
Figs. 35 to 37.Reversal and neutralization ofspectroscopic lines of hydrogen in the light of a variable star likeBetelgeuse [160]
Fig. 38.A double-sun nebula in process ofdevelopment into a solar system[164]
Fig. 39.Double stars with complementarycolors, interpretation of the phenomena of[167]
Fig. 40.A solar system which would explainthe regular variability of the star Mira[178]
Fig. 41.Lineal nebula in Sobieski’sCrown which has been affected by currents in the ocean of space[189]
Figs. 42 to 45.Four stages in the phenomena of anew or temporary star, a “star in flames;” reversal of thehydrogen lines in its spectrum[196]
Figs. 46 and 47.Illustration of repulsion of thetail of a comet by the similarly electrified solar electrosphere;comparison with similar repulsion in a vacuum-chamber experiment[211]
Figs. 48 and 49.The electroscope, and mutualelectrical repulsion in a bundle of dry straws[225]
Fig. 50.Experiment with a candle andcurrents of air from between two disks, illustrating the radialsemi-rotation of a comet’s tail during perihelion[230]
Figs. 51 to 54.Four non-systemic gaseousnebulæ: Fig. 1, crab nebula; Fig. 2, dumb-bell nebula; Fig. 3,lineal nebula in Sobieski’s Crown; Fig. 4, Catherine-wheelnebula. The latter illustrates the formation of a planetary nebula witha hollow center, or else dispersion into the elements of spaceagain[263]
Fig. 55.Great spiral nebula in CanesVenatici and a small adjacent nebula affected thereby[273]
Figs. 56 to 59.Four gaseous nebulæ inprocess of development into solar systems: Fig. 1, divergent spiral;Fig. 2, later stage of a similar spiral; Fig. 3, subsequent stage ofrupture of the nearly circular convolutions of a similar nebula; Fig.4, the same stage in the development of a solar system with a doublesun[279]
Fig. 60.Nucleated planetary nebula, showingits external ring split and held apart, in part of its circumference,by electrical repulsion[288]
Fig. 61.Divergent spiral nebula on [cover of book].