Robert Ridgeway

7 plates

• Ammodramus savannarum pratensis 6 May 1889
• Tachycineta bicolor 30 Mar 1868
• Carduelis tristis tristis 16 Oct 1894
• Dumetella carolinensis 30 Aug 1879
• Dumetella carolinensis 11 May ----
• Dumetella carolinensis 13 Sep ----
• Dumetella carolinensis 6 Sep 1879