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Sketchbooks of Clarence Major
Birds: 1) Phoethornis longirostris; 2) Therulania colombica; Mot-mots; Little Blue Heron
Birds: 1) Pitylus; 2) Lathria; 3) Trogonurus curucui; 4) Sporophila aurita; 5) Apparently a thrush-ground; 6) Red at x; Toucans
Bird Study
Coot, Underwing and Foot
Oropendola
Pencil Sketches of 29 Birds
Red Oak Tree Branch with Black-Capped Chickadees
Snipe
Tropical Plants and Vines
White Hawk, Screaming Hawk, Mexican Cormorant
Whooping Cranes
Young Vireos warbling, double exposure
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