Camouflage in nature: through pattern matching (second edition) (1964)

Explains that many animals bear protective coloration that blends with their surroundings. Shows examples of such coloring on the bark moth, the tree frog, the ground squirrel, many birds and the young of many animals. Includes views of representative members of species which change their color to match their backgrounds, as well as those whose body outlines are broken by bold areas of contrasting colors.