E. M. Davis

12 public-domain plates in the archive

• Gomphus pallidus 6 Apr 1935
• Erythemis simplicicollis 6 Apr 1935
• Libellula auripennis 7 Apr 1935
• Calopteryx dimidiata 16 Apr 1935
• Erythrodiplax berenice 8 May 1940
• Libellula needhami 11 Apr 1935
• Erythrodiplax minuscula 29 Nov 1934
• Gynacantha nervosa 9 Jan 1936
• Gomphus minutus 5 Apr 1941
• Calopteryx dimidiata 30 Mar 1935
• Erythrodiplax berenice 8 May 1940
• Calopteryx dimidiata 3 Nov 1934