Ohio Journal of Science: Volume 20, Issue 7 (May, 1920) http://hdl.handle.net/1811/867 2013-06-20T05:57:13Z 2013-06-20T05:57:13Z Back Matter http://hdl.handle.net/1811/2098 2005-10-03T06:58:12Z 1920-05-01T00:00:00Z Back Matter 1920-05-01T00:00:00Z Bees and Wasps (Part XIII of Series) Bequaert, J. http://hdl.handle.net/1811/2097 2005-10-03T06:57:53Z 1920-05-01T00:00:00Z Bees and Wasps (Part XIII of Series) Bequaert, J. 1920-05-01T00:00:00Z Bequaert, J. Descriptions of Diptera of the Families Anthomyidae and Scatophagidae (Part XII of Series) Malloch, John R. http://hdl.handle.net/1811/2096 2005-10-03T06:57:34Z 1920-05-01T00:00:00Z Descriptions of Diptera of the Families Anthomyidae and Scatophagidae (Part XII of Series) Malloch, John R. Author Institution: Illinois Natural History Survey 1920-05-01T00:00:00Z Malloch, John R. The Syrphid Fly, Mesogramma Marginata, and the Flowers of Apocynum Osburn, Raymond C. http://hdl.handle.net/1811/2095 2005-10-03T06:56:44Z 1920-05-01T00:00:00Z The Syrphid Fly, Mesogramma Marginata, and the Flowers of Apocynum Osburn, Raymond C. 1920-05-01T00:00:00Z Osburn, Raymond C. Quantitative Studies in the Food of Spiders Bilsing, S. W. http://hdl.handle.net/1811/2094 2005-10-03T06:56:19Z 1920-05-01T00:00:00Z Quantitative Studies in the Food of Spiders Bilsing, S. W. 1920-05-01T00:00:00Z Bilsing, S. W. Front Matter http://hdl.handle.net/1811/2093 2005-10-03T06:55:22Z 1920-05-01T00:00:00Z Front Matter 1920-05-01T00:00:00Z