House FliesFront matterReading editionChapter navigation2 reading sectionsGo to chapterChoose a chapter…Front matterL. O. HOWARD,Beginning of this editionNext chapter →L. O. HOWARD,All chapters and sections (2)Opening pagesFront matterOther sectionsL. O. HOWARD,USDA Farmers' Bulletin 459: House FliesIssued July 31, 1911.◇U. S. DEPARTMENT OF AGRICULTURE.◇FARMERS' BULLETIN 459.◇HOUSE FLIES.BY◇L. O. HOWARD, →
