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USNM 10668 Emberizidae Plectrophenax nivalis townsendi Ridgway VEN
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USNM 10668 Emberizidae Plectrophenax nivalis townsendi Ridgway LAT
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USNM 10668 Emberizidae Plectrophenax nivalis townsendi Ridgway TAG2
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USNM 10668 Emberizidae Plectrophenax nivalis townsendi Ridgway TAG1
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Page Scan Anatomical Series: vol.02_018826-018850
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USNM 10668 Emberizidae Plectrophenax nivalis townsendi Ridgway DOR
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USNM 93113 Plectrophenax nivalis
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USNM 93113 Plectrophenax nivalis
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USNM 93113 Plectrophenax nivalis
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Page scan of Main Catalog Series: vol.004_022676-022700
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Page Scan of Egg and Nest: vol.07_027526-027550
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USNM 93113 Plectrophenax nivalis
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Page Scan of Egg and Nest: vol.05_018901-018925
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USNM 93113 Plectrophenax nivalis
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Page scan of Main Catalog Series: vol.100_501526-501550
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Page scan of Main Catalog Series: vol.018_093101-093125
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Page scan of Main Catalog Series: vol.001_DUP_001831-001855
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Page scan of Main Catalog Series: vol.010_052651-052675
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Page scan of Main Catalog Series: vol.030_151476-151500
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Page scan of Main Catalog Series: vol.018_093701-093725
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Page scan of Main Catalog Series: vol.018_093676-093700
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Page scan of Main Catalog Series: vol.017_088746-088770
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Page scan of Main Catalog Series: vol.085_423026-423050
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Page scan of Main Catalog Series: vol.119_595476-595500