CONTENTS.[The Real Problems of_Democracy.][An English University.][The Wonderful Century.][Spider Bites and "Kissing Bugs."][The Mosquito Theory of Malaria.][Food Poisoning.][Wireless Telegraphy.][Emigrant Diamonds in America.][Needed Improvements in Theater Sanitation.][The New Field Botany.][Do Animals Reason?][Sketch of George M. Sternberg.][Correspondence.][Editor's Table.][Scientific Literature.][General Notices.][Publications Received.][Fragments of Science.][Minor Paragraphs.]APPLETONS'POPULAR SCIENCEMONTHLY.NOVEMBER, 1899.[THE REAL PROBLEMS OF DEMOCRACY.]