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4H Boys photographing fawn in Itasca State Park
4-H Clubhouse on Lake Esquagama near Biwabik
Abe Nelson
A bit of Lake Itasca from Schoolcraft Island, entrance to East arm in distance
A. calamus
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Adaptation, convergent, illustration from Henry Fairfield Osborn, "Origin and Evolution of Life"
Administration Building, Farm School
Administration Building, Farm School
Adult and young Junco
Adult and young Junco
Adult and young Junco
Adult and young Junco at attention
Adult Junco and young
Adult Junco feeding blueberry to young
Adult Junco feeling young
After shaft, Emu and pheasant, illustration from William Payne Pycraft's book
Agoseris glauca, false dandelion, detail of head
Agoseris glauca, false dandelion, detail of single head
Agoseris glauca, false dandelion, view of clump
A grove of white birches with leaves destroyed by the Birch Skeletonizer insect
Air sacs, diagrammatic drawing, illustration from William Payne Pycraft, "History of Birds"
Air sacs, schematic view, illustration from Frank E. Beddard, "The Structure and Classification of Birds"
Albatross breeding colony, image from "Birds of the World"
Albino Grackle
Albino Grackle
Albino Grackle
Alder
Alfred Peterson next to car at Pipestone Minnesota
Alfred Russell Wallace, portrait, image from a printed publication
American and Least Bitterns, illustration, plate 5 in Birds of Minnesota
American Bittern, defensive attitude, from a mounted print photograph
American Bittern, one young
American Bittern, one young
American Bitterns, four young
American Bitterns, four young
American Bitterns in grass, four young
American Bittern's nest
American Bittern's nest
American Bittern's nest
American Bittern's nest
American Bittern's nest and eggs uncovered
American Bittern's nest and eggs uncovered
American Bittern's nest, covered
American Bittern's nest, covered
American Bitterns on nest, young
American Bitterns, young
American Egret nesting place
American Egret nesting place
American Egret nests
American Egret nests
American Goldeneye
American Golden-eye, Barrows, Old Squaw, Bufflehead, illustration, plate 10 in Birds of Minnesota
American, Red-breasted, and Hooded Mergansers, illustration, plate 12 in Birds of Minnesota
American Redstart's nest
American Redstart's nest
American Redstart's nest in grapevine
American Rough-legged Hawk, Ferruginous Rough-Leg, Broadwinged and Swanson's Hawks, illustration
Ampitheater in woods, where the Jewel head grown
Anatomy, salivary gland, tongues, Syrinx, illustration by R.W. Shufeldt, "Myology of the Raven"
Ancestral tree of birds image from Henry Fairfield Osborn, "Origin and Evolution of Life"
Ancestral tree of Birds image from Henry Fairfield Osborn, "Origin and Evolution of Life"
Anemone
Anemone and Bellwort, close
Anemone canadensis
Anemone canadensis, view of clump
Anemone pennsylvanica
Anemone pennsylvanica
Anemone pennsylvanica and where it grows
Animal Biology Building
Antennaria plantaginifolia
Ant fungus garden of Atta texana, image of a photograph from a book
Ant nest of Atta texana, illustration
Ant nest of Atta texana, image of a photograph from a book
Ants, Atta texana, illustration
Ants, sagittal section of worker, Myrmica rubra, illustration
Ants, workers of Atta texana, image of a photograph from a book
A photograph of a four-stories nest of the Yellow Warbler from a page in the printed Annual report of the Field Columbian Museum
Apple orchard
Apple orchard
Apteryx or Kiwi, illustration from Alfred Newton, "A Dictionary of Birds"
Archaeopteryx, British Museum specimen, illustration from Alfred Newton, "A Dictionary of Birds"
Archaeopteryx, etc., illustration from Henry Fairfield Osborn, "Origin and Evolution of Life"
Archaeopteryx, illustration from "Birds of the World"
Archaeopteryx restoration, deep, illustration from Richard Swann Lull, "Organic Evolution"
Archaeopteryx restoration, illustration from Richard Swann Lull, "Organic Evolution"
Archaeornis, supposed exterior of head, natural size, illustration from a printed publication
Archaeornis wing, illustration from a printed publication
Arctic Tern
Arctic Tern, image from a bulletin of the U.S. National Museum
Arctic Woodpecker
Arctic Woodpecker
Arctic Woodpecker
Arctic Woodpecker
Arctic Woodpecker