Scope and Contents From the Item: The first part of this volume (pages 1 to 111) contains Rehn's notes from the 1954 survey throughout the American southwest and California from April 1st to June 23rd. The journal records the activities of the party and their progress traveling across the country. Collection began on April 11th in Junction, Texas. From there, the party moved westward through Texas, New Mexico, Arizona and southeastern California. Between April 28th and May 17th, the party traveled through eastern...

Scope and Contents This volume contains Rehn's field notes from his 1956 Orthoptera survey (pages 1 to 88). Journal entries date from July 27th to September 25th. Rehn began collecting on August 1st in Yanktown, South Dakota. Over the course of the month of August, the survey continued through the Dakotas, Montana, Idaho, Nevada, California, Utah and Arizona. Rehn then spent two weeks at the American Museum of Natural History's Southwestern Research Station in Portal, Arizona, and collected in that...