U.S.A. (southern California): Two weeks (13–26 August, 2004), funded by the Richard Lounsbery Foundation. Scientific Assistant, Randy Mercurio, REVSYS collaborator, Warren Savary, and REU interns Kanvaly Bamba and Michelle McCoy, travelled ca. 4,800 km through the desert, coastal dunes, and oak forests of southern California, from sea level to 3,100 m, and collected ca. 400 myriapods, spiders, and scorpions (two families, seven genera, ca. 15 species), including several endemic taxa, for the REVSYS vaejovid project.