Scope and Contents From the Item: The first part of this volume (pages 1 to 87) describes Rehn's 1919 expedition through the southwestern United States, July 22nd through September 20th. Journal entries date from July 20th to September 24th. The expedition began in southern Colorado (La Junta), and continued toward Albuquerque, New Mexico, then westward into the Mojave Desert and the Arizona/Nevada/California border. After about two weeks in that region, the expedition moved northward along the California/Nevada border,...

Scope and Contents From the Item: This volume contains Rehn's notes from five Orthoptera surveys in North America between 1939 and 1946. The first part of this volume (pages 1 to 80) constitutes Rehn's field journal from his 1939 "Southern Appalachian-Ozarks Survey," from July 29th to September 9th. Rehn's title of this survey is misleading, in that the survey included exploration throughout the southern and southwestern United States. During this portion of the survey, Rehn re-visited many of the locations from his 1937...

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...