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Keywords from Image Description:
A history of North American birds . PLATE IX ' Thryothorus ludovloianus Lath Pa berlaniileri Vovch Texas bewiokii Aud Pa ' var Troglodyta xAon Vieia Cistothorus palustris WUs Pa stellaris Gn Troglodytes alascensis Soird Alaska hyemalis Vieill Va I' var paoiflcus Baird Pl IX Illustration biodiversitylibrary