The Popular Science Monthly, September, 1900, Vol. 57, May, 1900 to October, 1900THE POPULAR SCIENCE MONTHLY.Reading editionChapter navigation13 reading sectionsGo to chapterChoose a chapter…THE POPULAR SCIENCE MONTHLYTHE POPULAR SCIENCE MONTHLY.THE MODERN OCCULT. By Professor JOSEPH JASTROW, UNIVERSITY OF WISCONSIN.BIRDS AS FLYING MACHINES. By FREDERICK A. LUCAS.ELECTRIC AUTOMOBILES. By WM. BAXTER, Jr.THE HUMAN BODY AS AN ENGINE. By Professor E. B. ROSA.CHAPTERS ON THE STARS. By Professor SIMON NEWCOMB, U. S. N. THE SPECTRA OF THE STARS.THE PSYCHOLOGY OF RED. (II.) By HAVELOCK ELLIS.THE EXPENDITURE OF THE WORKING CLASSESD. By HENRY HIGGS.THE CONQUEST OF THE TROPICS. By DR. GEO. G. GROFF, Late Major U. S. V., ACTING COMMISSIONER OF EDUCATION, PORTO RICO.DISCUSSION AND CORRESPONDENCE.SCIENTIFIC LITERATURE.THE PROGRESS OF SCIENCE.Previous chapter ←THE POPULAR SCIENCE MONTHLYNext chapter →THE MODERN OCCULT. By Professor JOSEPH JASTROW, UNIVERSITY OF WISCONSIN.All chapters and sections (13)THE POPULAR SCIENCE MONTHLYTHE POPULAR SCIENCE MONTHLY.THE MODERN OCCULT. By Professor JOSEPH JASTROW, UNIVERSITY OF WISCONSIN.BIRDS AS FLYING MACHINES. By FREDERICK A. LUCAS.ELECTRIC AUTOMOBILES. By WM. BAXTER, Jr.THE HUMAN BODY AS AN ENGINE. By Professor E. B. ROSA.CHAPTERS ON THE STARS. By Professor SIMON NEWCOMB, U. S. N. THE SPECTRA OF THE STARS.THE PSYCHOLOGY OF RED. (II.) By HAVELOCK ELLIS.THE EXPENDITURE OF THE WORKING CLASSESD. By HENRY HIGGS.THE CONQUEST OF THE TROPICS. By DR. GEO. G. GROFF, Late Major U. S. V., ACTING COMMISSIONER OF EDUCATION, PORTO RICO.DISCUSSION AND CORRESPONDENCE.SCIENTIFIC LITERATURE.THE PROGRESS OF SCIENCE.SEPTEMBER, 1900.◇← THE POPULAR SCIENCE MONTHLYTHE MODERN OCCULT. By Professor JOSEPH JASTROW, UNIVERSITY OF WISCONSIN. →