Nordamerikanische Fauna. Ihr); 21. Mai 1892, in Baltimore County (G. H. in Grau). Herbst Migration. - Normale Zeitraum: September 20-30 zu Novem-ber 10-20; Peak, 15. Oktober bis 5. November. Extreme arrivaldates: 26. August 1923 und 31. August 1919, im Bezirk ofColumbia (J. Kittredge, Jr.); September 4, 1951, in HowardCounty; September 4, 1955, in Baltimore County (C. M. Bu-chanan). Extreme Abreise Termin: Dezember 9, 1943, in PrinceGeorges Grafschaft; Dezember 6, 1901, in Allegany County (G. Eif rig). Maximale zählt (nonbreeding). - Frühling: 500 in der Nähe von CabinJohn, Montgomery County, am 17. April 1949 (S. A.

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North American fauna . her) ; May 21, 1892, in Baltimore County (G. H. Gray). Fall migration.—Normal period: September 20-30 to Novem-ber 10-20; peak, October 15 to November 5. Extreme arrivaldates: August 26, 1923, and August 31, 1919, in the District ofColumbia (J. Kittredge, Jr.) ; September 4, 1951, in HowardCounty; September 4, 1955, in Baltimore County (C. M. Bu-chanan). Extreme departure dates: December 9, 1943, in PrinceGeorges County; December 6, 1901, in Allegany County (G.Eif rig). Maximum counts (nonbreeding).—Spring: 500 near CabinJohn, Montgomery County, on April 17, 1949 (P. A. DuMont) ;500 (1 flock) at Glen Echo, Montgomery County, on April 6, 1946 (E. G. Davis); 100 in Baltimore County on April 4, 1891, and April 28, 1905 (F. C. Kirkwood) ; 100 in Prince GeorgesCounty on April 28, 1944. Fall: 200 in Baltimore County onNovember 26, 1893 (F. C. Kirkwood) ; 104 in Prince GeorgesCounty on November 8, 1954; 66 in Baltimore County on Novem- 342 NORTH AMERICAN FAUNA 62, FISH AND WILDLIFE SERVICE. Figure 63.—Purple Finch banding recoveries. Each symbol represents thenumber of records for a State or Province. Banded in Maryland, recoveredelsewhere: solid circle = recovered June through August; solid triangle =recovered September through May. Recovered in Maryland, banded else-where : open circle = banded June through August; open triangle = bandedSeptember through May. BIRDS OF MARYLAND AND DISTRICT OF COLUMBIA 343 ber 2, 1930 (F. C. Kirkwood). Winter (Christmas counts) : 185in the District of Columbia area on December 31, 1955; 126 inthe Wicomico River area of Charles and St. Marys Counties onJanuary 1, 1954; 102 in the Triadelphia Reservoir area onDecember 24, 1955; 72 in Allegany County on December 31, 1949;70 at Patuxent Refuge on January 12, 1950. Banding.—See figure 63.PINE GROSBEAK Pin/co/a enuc/eafor (Linnaeus) Status.—Rare and irregular winter visitor. This species hasbeen recorded during the following winters: in 1903-04 near theDistrict of

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• bookcentury1800
• bookdecade1880
• booksubjectzoology
• buchautorun