Scope and Contents From the Item: The first portion of this volume (pages 1 to 98) contains Rehn's notes from his 1937 Southwestern Orthoptera survey in the southwestern United States, including Colorado, New Mexico, Arizona, California and Texas. Journal entries date from July 6th to September 9th. Collecting began in La Junta, Colorado on July 12th, and concluded in the San Antonio region of Texas on September 2nd.The second portion of this volume (pages 101 to 119) contains Rehn's journal entries from his...