Acris gryllus, male, 21 millimeters, dark throat, ventral view in jar, July 6, 1931

Acris gryllus, male, 21 millimeters, dark throat, ventral view in jar, July 6, 1931, Container: Series VII: Box 18A, Folder: 206. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/533972 Accessed December 26, 2025.