A. Walker

26 public-domain plates in the archive

• Thomomys bottae detumidus 28 Jul 1943
• Thomomys mazama hesperus 17 Apr 1935
• Thomomys mazama hesperus 7 Oct 1937
• Thomomys mazama niger 27 Sep 1948
• Thomomys mazama hesperus 22 Sep 1949
• Thomomys mazama helleri 9 Aug 1943
• Thomomys mazama hesperus 13 Sep 1949
• Sylvilagus floridanus mallurus 25 Feb 1941
• Thomomys mazama helleri 9 Aug 1943
• Thomomys mazama hesperus 22 Sep 1949
• Thomomys mazama hesperus 22 Sep 1949
• Thomomys mazama hesperus 11 Apr 1949
• Thomomys mazama hesperus 6 Oct 1934
• Thomomys mazama hesperus 12 Oct 1934
• Thomomys mazama mazama 31 Aug 1948
• Thomomys mazama mazama 30 Aug 1939
• Thomomys mazama hesperus 31 Mar 1950
• Thomomys mazama helleri 9 Aug 1943
• Thomomys mazama niger 27 Sep 1948
• Thomomys mazama hesperus 13 Apr 1934
• Thomomys mazama niger 27 Sep 1948
• Thomomys mazama niger 26 Sep 1948
• Thomomys mazama oregonus 7 Apr 1929
• Thomomys mazama oregonus 21 Oct 1949
• Thomomys mazama hesperus 3 Aug 1937
• Thomomys mazama hesperus 4 Jul 1949