Scope and Contents This volume contains Rehn's notes from his 1928 expedition to Idaho, Oregon and Nevada between August 6th and September 14th. The journal documents Rehn's train commute to Ogden, Utah, and his field observations between August 9th and September 11th. This includes his travel by truck north through Utah, across the ranges to Logan Canyon. From there he continued north into Idaho, exploring from Georgetown Canyon to the Snake River Desert. Rehn continued north and west through Idaho to...

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...