More Illustrations in Book: Smithsonian scientific series (View all 27)

Horned Toad Of South America (1929-1932)

Robert Bruce Horsfall (American, 1869–1948)

Carolina Locust (1929-1932)

Robert Evans Snodgrass (American, 1875 – 1962)

Rufous and Anna’s humming birds (1929-1932)

Allan Brooks (Canadian, 1869 – 1946)

Copperhead And Coral Snake (1929-1932)

Robert Bruce Horsfall (American, 1869–1948)

The Red-Humped Caterpillar (1929-1932)

Robert Evans Snodgrass (American, 1875 – 1962)

Purple Salamander And Red Salamander (1929-1932)

Anonymous

Mandrill (1929-1932)

Olaus Murie (American, 1889 - 1963)

Tropical Squirrels (1929-1932)

Olaus Murie (American, 1889 - 1963)

Periodical Cicada (1929-1932)

Robert Evans Snodgrass (American, 1875 – 1962)

Foolfish (1929-1932)

Stephen Haweis (American, 1878–1969)

Pair Of Gibbons (1929-1932)

Olaus Murie (American, 1889 - 1963)

Colorful fishes of the Hawaiian shore (1929-1932)

Stephen Haweis (American, 1878–1969)

Costa Rican tanager and lovely cotinga (1929-1932)

Allan Brooks (Canadian, 1869 – 1946)

Cicada (1929-1932)

Robert Evans Snodgrass (American, 1875 – 1962)

Moonfishes (1929-1932)

Stephen Haweis (American, 1878–1969)