E. B. Williamson

60 public-domain plates in the archive

• Argia plana 21 Jul 1930
• Pachydiplax longipennis 22 Aug 1926
• Gomphus scudderi 16 Aug 1927
• Acanthagrion kennedii 10 Mar 1912
• Enallagma divagans 19 Jun 1930
• Enallagma exsulans 4 Jul 1930
• Argia fumipennis violacea 5 Sep 1928
• Enallagma geminatum 22 Aug 1926
• Lestes congener 28 Sep 1929
• Artibeus lituratus 8 Jan 1917
• Pachydiplax longipennis 1 Sep 1933
• Argia bipunctulata 30 Jul 1930
• Lestes vigilax 27 Sep 1931
• Anax junius 15 Sep 1929
• Boyeria vinosa 5 Oct 1931
• Argia plana 25 Jun 1930
• Cordulegaster maculata 29 Jul 1907
• Argia sedula 1 Jun 1907
• Enallagma carunculatum 5 Sep 1928
• Hetaerina titia tricolor 9 Aug 1930
• Lestes vigilax 22 Aug 1926
• Enallagma exsulans 11 Jul 1932
• Argia plana 27 Jul 1930
• Sympetrum ambiguum 28 Jul 1930
• Enallagma exsulans 6 Aug 1930
• Aeshna umbrosa 15 Sep 1929
• Somatochlora linearis 7 Aug 1930
• Enallagma pictum 18 Jul 1930
• Enallagma exsulans 3 Aug 1930
• Enallagma dubium 1 Oct 1931
• Hetaerina americana 21 Sep 1924
• Argia apicalis 12 Jul 1931
• Enallagma civile 13 Jul 1932
• Gomphus scudderi 16 Aug 1927
• Sympetrum vicinum 4 Sep 1928
• Lestes vigilax 27 Sep 1931
• Pantala flavescens 22 Aug 1926
• Enallagma civile 1 Sep 1933
• Acanthagrion kennedii 8 Mar 1912
• Ischnura verticalis 13 Jul 1932
• Sympetrum danae 13 Aug 1927
• Gomphus graslinellus 26 Jun 1932
• Hetaerina titia tricolor 30 Sep 1931
• Enallagma exsulans 18 Aug 1930
• Enallagma basidens 11 Jul 1932
• Enallagma geminatum 31 Jul 1932
• Ischnura (Anomalagrion) hastata 1 Oct 1931
• Pachydiplax longipennis 4 Sep 1928
• Enallagma civile 28 Jun 1931
• Enallagma hageni 30 Jun 1901
• Enallagma weewa 27 Sep 1931
• Gomphus scudderi 16 Aug 1927
• Argia fumipennis fumipennis 29 Sep 1931
• Calopteryx dimidiata 30 Sep 1931
• Enallagma civile 20 Aug 1905
• Enallagma hageni 8 Jun 1898
• Libellula incesta 22 Aug 1926
• Enallagma hageni 18 Jun 1902
• Aeshna verticalis 15 Sep 1929
• Cordulegaster maculata 26 Jul 1907