J. H. Steenis

17 plates

• Passerella iliaca unalaschcensis 24 May 1937
• Lagopus mutus 12 Jun 1937
• Melospiza melodia sanaka 25 Jul 1937
• Melospiza melodia sanaka 18 Jun 1937
• Calcarius lapponicus alascensis 14 Aug 1937
• Calcarius lapponicus alascensis 30 Jun 1937
• Plectrophenax nivalis townsendi 8 Jun 1937
• Melospiza melodia sanaka 26 Jul 1937
• Melospiza melodia sanaka 21 Aug 1937
• Calcarius lapponicus alascensis 10 Jul 1937
• Passerculus sandwichensis sandwichensis 30 May 1937
• Plectrophenax nivalis townsendi 10 Jul 1937
• Melospiza melodia sanaka 14 Aug 1937
• Calcarius lapponicus alascensis 29 Jun 1937
• Melospiza melodia sanaka 22 Jul 1937
• Plectrophenax nivalis townsendi 31 Jul 1937
• Plectrophenax nivalis townsendi 31 Jul 1937