J. H. Williamson

132 public-domain plates in the archive

• Hetaerina titia 2 Nov 1923
• Enallagma pollutum 5 Mar 1921
• Celithemis elisa 18 Jul 1926
• Celithemis eponina 3 Apr 1921
• Celithemis ornata 19 Apr 1921
• Lestes unguiculatus 18 Jul 1926
• Enallagma doubledayi 18 Apr 1921
• Argia extranea 2 Dec 1923
• Aeshna canadensis 9 Aug 1927
• Hetaerina occisa 20 Feb 1920
• Argia fumipennis violacea 24 Jul 1927
• Argia bipunctulata 21 Apr 1921
• Enallagma ebrium 18 Jul 1926
• Enallagma divagans 9 May 1921
• Argia sedula 23 Mar 1921
• Enallagma hageni 24 Jul 1927
• Dromogomphus spinosus 18 Jul 1926
• Ischnura posita 30 Mar 1921
• Argia tezpi 12 Oct 1923
• Dythemis sterilis 21 Oct 1921
• Dromogomphus spinosus 18 Jul 1926
• Apanisagrion lais 23 Nov 1923
• Libellula pulchella 5 Jul 1926
• Ischnura (Anomalagrion) hastata 7 Nov 1923
• Celithemis ornata 25 Apr 1921
• Ischnura ramburii 29 Nov 1923
• Philogenia cassandra 6 Feb 1920
• Anax junius 6 Oct 1923
• Erythrodiplax minuscula 12 Mar 1921
• Enallagma geminatum 24 Jul 1927
• Argia extranea 23 Nov 1923
• Enallagma praevarum 27 Nov 1923
• Erythrodiplax minuscula 12 Mar 1921
• Argia bipunctulata 21 Apr 1921
• Hetaerina miniata 7 Apr 1920
• Ischnura demorsa 12 Nov 1923
• Argia sedula 23 Mar 1921
• Enallagma praevarum 27 Nov 1923
• Philogenia cassandra 2 Feb 1920
• Enallagma pollutum 5 Mar 1921
• Ischnura ramburii 29 Mar 1921
• Lestes vidua 22 Apr 1921
• Palaemnema clementia 18 Apr 1920
• Hetaerina titia 22 Mar 1921
• Ischnura posita 30 Mar 1921
• Enallagma exsulans 24 Jul 1927
• Celithemis bertha 21 Apr 1921
• Aeshna umbrosa 23 Sep 1924
• Celithemis bertha 26 Apr 1921
• Enallagma exsulans 4 May 1921
• Enallagma divagans 9 May 1921
• Enallagma pollutum 2 Apr 1921
• Enallagma civile 27 Sep 1923
• Enallagma divagans 4 May 1921
• Nehalennia gracilis 18 Jul 1926
• Lestes vigilax 19 Apr 1921
• Hetaerina miniata 7 Apr 1920
• Erythemis mithroides 20 Apr 1920
• Anax junius 6 Oct 1923
• Enallagma praevarum 27 Nov 1923
• Hetaerina titia 24 Mar 1921
• Argia sedula 16 Apr 1921
• Libellula saturata 3 Dec 1923
• Hetaerina americana 5 Nov 1923
• Sympetrum vicinum 5 Sep 1926
• Hetaerina americana 5 Nov 1923
• Ischnura ramburii 27 Nov 1923
• Neoneura amelia 2 Nov 1923
• Erythemis plebeja 23 Mar 1920
• Hetaerina americana 6 Nov 1923
• Hetaerina occisa 9 Apr 1920
• Argia extranea 6 Nov 1923
• Enallagma eiseni 21 Oct 1923
• Lestes vigilax 19 Apr 1921
• Celithemis ornata 22 Apr 1921
• Libellula axilena 16 Mar 1921
• Enallagma geminatum 24 Jul 1927
• Argia tezpi 12 Oct 1923
• Celithemis ornata 19 Apr 1921
• Sympetrum obtrusum 18 Jul 1926
• Boyeria vinosa 25 Jul 1926
• Epitheca cynosura 9 Jun 1927
• Libellula incesta 3 Apr 1921
• Enallagma hageni 24 Jul 1927
• Enallagma pollutum 30 Mar 1921
• Gomphus minutus 15 Mar 1921
• Argia fissa 5 Dec 1923
• Argia pulla 6 Nov 1923
• Hetaerina americana 5 Nov 1923
• Enallagma eiseni 21 Oct 1923
• Philogenia cassandra 2 Feb 1920
• Ischnura verticalis 24 Jul 1927
• Micrathyria aequalis 3 Nov 1923
• Nehalennia irene 16 Jul 1927
• Perithemis mooma 13 Feb 1920
• Dythemis nigrescens 2 Nov 1923
• Enallagma pollutum 29 Mar 1937
• Celithemis bertha 26 Apr 1921
• Argia bipunctulata 21 Apr 1921
• Argia sedula 16 Apr 1921
• Somatochlora linearis 12 Aug 1924
• Lestes vigilax 9 May 1921
• Ischnura posita 22 Jun 1924
• Perithemis mooma 8 Mar 1920
• Apanisagrion lais 16 Nov 1923
• Argia bipunctulata 21 Apr 1921
• Ischnura (Anomalagrion) hastata 20 Apr 1921
• Enallagma doubledayi 18 Apr 1921
• Ischnura (Anomalagrion) hastata 24 Mar 1921
• Hetaerina capitalis 7 Feb 1920
• Perithemis mooma 13 Feb 1920
• Gomphus minutus 11 Mar 1921
• Erythemis peruviana 20 Apr 1920
• Argia sedula 26 Mar 1921
• Argia oculata 6 Nov 1923
• Argia sedula 16 Apr 1921
• Argia fissa 5 Dec 1923
• Hetaerina capitalis 5 Apr 1920
• Enallagma geminatum 24 Jul 1927
• Micrathyria aequalis 3 Nov 1923
• Hetaerina cruentata 23 Nov 1923
• Hetaerina americana 10 Oct 1923
• Gomphus pallidus 31 Mar 1921
• Ischnura ramburii 13 Nov 1923
• Libellula croceipennis 6 Nov 1923
• Celithemis ornata 19 Apr 1921
• Enallagma geminatum 5 May 1921
• Ischnura posita 5 May 1921
• Libellula pulchella 5 Jul 1926
• Ischnura ramburii 2 Apr 1921
• Hetaerina caja caja 3 Feb 1920
• Hetaerina americana 10 Oct 1923