This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: Montana Agricultural College Experiment Station in 1905 in 70 pages; Subjects: Insect pests; Nature / Insects & Spiders; Science / Life Sciences / Zoology / Entomology; Technology & Engineering / Agriculture / General; Technology & Engineering / Pest Control;