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Siegfried Creek beaver pond
Siegfried Creek beaver pond
Siegfried Creek beaver pond
Siegfried Creek beaver pond
Silhouettes of hands on the wall of the grotto of Gargas, illustration from a printed publication
Silver bass, crappie
Sir Charles Lyell, portrait, image from a printed publication
Sir Joseph Hooker, portrait, photograph by Wallich from a printed publication
Site of Ruffed Grouse's nest
Site of Ruffed Grouse's nest
Site of Ruffed Grouse's nest and eggs
Six-lined Swift, Cnemidophorus sexlineatus
Skeleton and muscles of trunk of bird, from R.W. Schufeldt, "Myology of the Raven"
Skeleton of a lizard from the collection of Animal Biology
Skeleton of Ramphorhynchus gemmingt, wing membrane preserved, illustration from a printed publication
Skull of wild gosling, four views, illustration from a printed publication
Skulls of Owl and Apteryx eye cavities from William Beebe, "The Bird Its Form and Function"
Skunk
Skunk Cabbage
Skunk cabbage
Skunk, illustration from Ernest Thompson Seton's "Life-histories of Northern Animals," 1909
Slate colored Junco in stump
Slate colored Junco in stump
Slate colored Junco on stump
Small beaver dam at outlet of Lower Nicollet Lake
Small rock mass at Gull Rock, Cormorant group background
Small rock mass at Gull Rock, Cormorant group background
Small white Lady's Slipper in hand on the Fort Snelling prairie
Small white Lady's Slipper in hand on the Fort Snelling prairie
Small white Lady's Slipper in hand on the Fort Snelling prairie
Small white Lady's Slipper on the Fort Snelling prairie
Small white Lady's Slipper on the Fort Snelling prairie
Small white Lady's Slipper on the Fort Snelling prairie
Small white Lady's Slippers on the Fort Snelling prairie
Small yellow Lady's Slipper
Small yellow Lady's Slipper
Snakebird, illustration from Alfred Newton, "A Dictionary of Birds"
Snake nomenclature, scalation, illustration
Snapping turtle
Snapping Turtle with a 10 inch shell
Snow along the shoreline of Lake Superior
Snow along the shoreline of Lake Superior
Snow Buntings, Lake Superior, North Shore
Snow cover after a snowstorm
Snow Goose, goose on nest covering eggs, gander standing guard, H.J. Jaeger's flock
Snow Goose, H.J. Jaeger's flock
Snow on Koma Lake
Snowshoe Rabbit Group
Snowshoe Rabbit, image of a mounted print photograph
Snowshoe rabbit on the shore of Lake Superior