Eyer, John R.2016-03-092016-03-091923-12https://hdl.handle.net/11299/178112University of Minnesota Ph.D. dissertation. December 1923. Major: Entomology. Advisor: Dr. T. M. Forbes, Dr. Wm. A. Riley. 1 computer file (PDF); 74 pages.enEntomologyThe Comparative Morphology of the Male Genitalia of the Primitave LepidopteraThesis or Dissertation