William Procter

20 public-domain plates in the archive

• Celithemis ornata 8 Mar 1937
• Erythrodiplax minuscula 8 May 1937
• Erythrodiplax minuscula 8 May 1937
• Aeshna umbrosa 19 Aug 1935
• Celithemis eponina 8 Mar 1937
• Libellula quadrimaculata 18 Jun 1935
• Coryphaeschna ingens 29 Mar 1937
• Epitheca stella 8 Mar 1937
• Ladona exusta 28 Jun 1935
• Celithemis eponina 25 Mar 1937
• Ladona exusta 18 Jun 1935
• Leucorrhinia hudsonica Jun 1935
• Ladona exusta 18 Jun 1935
• Ladona exusta 6 Jun 1935
• Celithemis eponina 25 Mar 1937
• Stylogomphus albistylus 18 Jul 1935
• Celithemis bertha 8 Mar 1937
• Cordulegaster maculata 18 Jul 1935
• Nannothemis bella 2 Jul 1935
• Ladona deplanata 8 Feb 1937