George H. Beatty

10 public-domain plates in the archive

• Calopteryx aequabilis 4 Jun 1954
• Epitheca semiaquea 6 May 1951
• Gomphus plagiatus 8 Jul 1946
• Enallagma traviatum 23 Jun 1951
• Calopteryx dimidiata 20 Jul 1947
• Celithemis martha 27 Jul 1947
• Enallagma dubium 28 Jun 1951
• Gomphus descriptus 25 Jun 1951
• Gomphus minutus 27 Feb 1950
• Calopteryx dimidiata 10 Jul 1946