R. W. Jackson

13 public-domain plates in the archive

• Microtus pinetorum scalopsoides 2 Mar 1923
• Lamellidens testudinarius
• Peromyscus leucopus noveboracensis 23 Dec 1921
• Sciurus niger cinereus 21 Dec 1917
• Incidostoma chocolatum
• Incidostoma diminutum
• Incidostoma jacksoni
• Naesiotus quitensis antisana
• Microtus pennsylvanicus nigrans 9 Apr 1923
• Alasmidonta marginata 2 Oct 1950
• Sorex cinereus fontinalis 3 Feb 1926
• Sciurus niger cinereus 7 Dec 1925
• Naesiotus quitensis jacksoni