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ATH3081922: Dryocampa senatoria (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081922
Dryocampa senatoria (pencil on paper)
Sprague, Isaac (fl.1843)
ATH3081928: Glyceria nervata (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081928
Glyceria nervata (pencil on paper)
ATH3081934: Great Crested Flycatcher, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081934
Great Crested Flycatcher, 1841 (w/c on paper)
ATH3081939: Kalmia (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081939
Kalmia (w/c on paper)
ATH3081942: Lilium philadelphicum (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081942
Lilium philadelphicum (pencil on paper)
ATH3081896: Black Snow Bird, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081896
Black Snow Bird, 1841 (w/c on paper)
ATH3081916: Choerocampa pampinatrix (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081916
Choerocampa pampinatrix (pencil on paper)
ATH3081924: Everyx myron (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081924
Everyx myron (pencil on paper)
ATH3081931: Golden Winged Woodpecker, 1840 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081931
Golden Winged Woodpecker, 1840 (w/c on paper)
ATH3081935: Hermit Thrush, 1840 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081935
Hermit Thrush, 1840 (w/c on paper)
ATH3081937: Hudsons Bay Titmouse, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081937
Hudsons Bay Titmouse, 1841 (w/c on paper)
ATH3081938: Immature Cedar Waxwing (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081938
Immature Cedar Waxwing (w/c on paper)
ATH3081944: Little Red Poll, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081944
Little Red Poll, 1841 (w/c on paper)
ATH3081947: Long-Legged Sandpiper, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081947
Long-Legged Sandpiper, 1841 (w/c on paper)
ATH3081956: Peep, Semipalmated Sandpiper, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081956
Peep, Semipalmated Sandpiper, 1841 (w/c on paper)
ATH3081963: Rail Carolina, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081963
Rail Carolina, 1842 (w/c on paper)
ATH3081967: Ruby Crowned Wren, 1839 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081967
Ruby Crowned Wren, 1839 (w/c on paper)
ATH3081970: Scarlet Tanager, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081970
Scarlet Tanager, 1841 (w/c on paper)
ATH3081975: Snow Bunting, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081975
Snow Bunting, 1842 (w/c on paper)
ATH3081978: Thalictrum anemoides (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081978
Thalictrum anemoides (pencil on paper)
ATH3081981: Turnstone, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081981
Turnstone, 1842 (w/c on paper)
ATH3081989: White-Crowned Finch or Bunting Sparrow (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081989
White-Crowned Finch or Bunting Sparrow (w/c on paper)
ATH3081991: Wildflower (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081991
Wildflower (w/c on paper)
ATH3081892: Aquilegia canadensis (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081892
Aquilegia canadensis (pencil on paper)
ATH3081907: Carex virescens (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081907
Carex virescens (pencil on paper)
ATH3081920: Cranberry (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081920
Cranberry (pencil on paper)
ATH3081930: Golden Plover, Green Back, 1840 (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081930
Golden Plover, Green Back, 1840 (w/c & ink on paper)
ATH3081936: Houstonia (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081936
Houstonia (pencil on paper)
ATH3081940: Kingfisher, 1841 (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081940
Kingfisher, 1841 (w/c & ink on paper)
ATH3081948: Marsh Wren, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081948
Marsh Wren, 1842 (w/c on paper)
ATH3081953: Northern Shrike (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081953
Northern Shrike (w/c & ink on paper)
ATH3081959: Pine Swamp Warbler, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081959
Pine Swamp Warbler, 1841 (w/c on paper)
ATH3081960: Prunus serotina (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081960
Prunus serotina (w/c on paper)
ATH3081966: Robin, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081966
Robin, 1841 (w/c on paper)
ATH3081990: Wildflower from Fort Union, Missouri River, 1843 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081990
Wildflower from Fort Union, Missouri River, 1843 (w/c on paper)
ATH3081995: Wood Lily (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081995
Wood Lily (w/c on paper)