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Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
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Transcription
Upton, Maine.
June 9-11
Having [illegible] map separated at intervals of about 20 seconds, and after much time spent in pursuit detected the author in Emp. flavirostris: this note which we afterwards heard quite frequently is the true song of the 'E', the piece being uttered to both sexes and is much like the