56 May 14 - D.C. canal); Baltimore Oriole (loud singing song much superior to that of any California species except Scott); Blue-gray Gnatcatcher (a pair with notes and actions exactly like California birds); Wood Pewee (about 4, with plaintive high-pitched pee-a-wee, totally different from low drawl of Western bird); Great Crested Flycatcher (two heard, with harsh guttural notes something like those of ash-throated), Acadian Flycatcher (about 5, some rapid low mellow notes, and at intervals a louder explosive song, reminiding me of one of the note of the Western Flycatcher). May 15 Called on H.C. Oberholser at his house where he does the bulk of his unofficial bird work. He