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ATH3081917: Clintonia borealis (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081917
Clintonia borealis (pencil on paper)
Sprague, Isaac (fl.1843)
ATH3081923: Echinacea angustofolia, Fort Union, 1843 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081923
Echinacea angustofolia, Fort Union, 1843 (w/c on paper)
ATH3081926: Fragaria virginiana: Wild Strawberry (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081926
Fragaria virginiana: Wild Strawberry (pencil on paper)
ATH3081927: Fringed gentian (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081927
Fringed gentian (pencil on paper)
ATH3081932: Grass Finch, Ground Sparrow, 1839 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081932
Grass Finch, Ground Sparrow, 1839 (w/c on paper)
ATH3081933: Grass (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081933
Grass (w/c on paper)
ATH3081941: Leersia oryzoides (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081941
Leersia oryzoides (pencil on paper)
ATH3081943: Lily of the valley: Convallaria majalis (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081943
Lily of the valley: Convallaria majalis (pencil on paper)
ATH3081946: Lobelia cardinalis (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081946
Lobelia cardinalis (pencil on paper)
ATH3081949: Maryland Yellow Throat (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081949
Maryland Yellow Throat (pencil on paper)
ATH3081950: Meadow Lark, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081950
Meadow Lark, 1842 (w/c on paper)
ATH3081952: Nelson Snipe (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081952
Nelson Snipe (w/c on paper)
ATH3081957: Pine Finch, 1839 (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081957
Pine Finch, 1839 (w/c & ink on paper)
ATH3081965: Rhexia (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081965
Rhexia (pencil on paper)
ATH3081971: Screech Owl, or Red Owl, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081971
Screech Owl, or Red Owl, 1841 (w/c on paper)
ATH3081974: Smerinthus excoeata (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081974
Smerinthus excoeata (pencil on paper)
ATH3081983: Uvularia sessilifolia, or Sessile Leaved Bellwort (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081983
Uvularia sessilifolia, or Sessile Leaved Bellwort (pencil on paper)
ATH3081986: White Breasted Nuthatch, 1843 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081986
White Breasted Nuthatch, 1843 (w/c on paper)
ATH3081993: Witherod (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081993
Witherod (w/c on paper)
ATH3082001: Yellow Red Poll Warbler, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3082001
Yellow Red Poll Warbler, 1841 (w/c on paper)
ATH3081899: Black and Yellow Warbler, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081899
Black and Yellow Warbler, 1841 (w/c on paper)
ATH3081902: Brown Creeper, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081902
Brown Creeper, 1841 (w/c on paper)
ATH3081906: Carex trichocarpa (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081906
Carex trichocarpa (pencil on paper)
ATH3081910: Cecropia (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081910
Cecropia (w/c on paper)
ATH3081913: Chimney Swallow, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081913
Chimney Swallow, 1841 (w/c on paper)
ATH3081915: Chipping Sparrow (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081915
Chipping Sparrow (w/c on paper)
ATH3081918: Connecticut Warbler, 1840 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081918
Connecticut Warbler, 1840 (w/c on paper)
ATH3081921: Downy Woodpecker, 1840 (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081921
Downy Woodpecker, 1840 (w/c & ink on paper)
ATH3081922: Dryocampa senatoria (pencil on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081922
Dryocampa senatoria (pencil on paper)
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)
ATH3081951: Nashville Warbler, 1841 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081951
Nashville Warbler, 1841 (w/c on paper)
ATH3081955: Pectoral Sandpiper, Grass Bird, 1842 (w/c on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081955
Pectoral Sandpiper, Grass Bird, 1842 (w/c on paper)
ATH3081958: Pine Grosbeak, 1841 (w/c & ink on paper), Sprague, Isaac (fl.1843) / Bridgeman Images
ID: ATH3081958
Pine Grosbeak, 1841 (w/c & ink on paper)