Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
Sylvania pusilla.
Lake Umbagog, Maine.
1897. In the alders near the Lake House where I found a Wil-
May 14. son's Black-cap last June a ♂ of this species was in full song
and I afterwards saw a ♀ not far from Lakeside.