dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll...

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Page 1: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 2: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 3: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 4: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 5: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 6: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 7: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 8: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone
Page 9: dvoc.org · cassinia proceedings of the delaware valley ornithological club no. xxvlll philadelphia, pa. 1929-30 spencer trotter: 1860—1931 by witmer stone