Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
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Transcription
Empidonax T. alvorum
1896 Lake Umbagog.
August 13 (heard) 14* (calling frequently at 5-5:30 P.M.) / 15 = 16 high water, 17' 22'
1907.
July 20' calling. Bethel.
" 23³ 24⁸ 29⁶ 30' 31² } from Lakeside
August 2⅛* 3⅛* 5-' 7³(1⅛*) 9⅛* 10⅛* 12²⅛*