OutdoorNebraska

iv Nebraska Game and Parks Commission 2200 North 33 rd Lincoln NE 68503 The Nebraska Game and Parks Commission does not discriminate based on gender, age, disability, race, color, religion, marital status, national or ethnic origin or sexual orientation. The Nebraska Game and Parks Commission is an equal opportunity employer with a comprehensive plan for diversity. Northern crayfish, Orconectes virilis

• Cover
• The Crayfish of Nebraska
• Nebraska's River Basins
• Table of Contents
• Preface
• Acknowledgements
• Introduction
• Anatomy
• The Biology of Crayfishes
• Nebraska Crayfish Collections
• Geology and Glaciations
• Body Measurements and Ratios
• Literature Cited
• Glossary
• Identification Key to Nebraska's Crayfishes