Sclerurus, 240, 249.
Short-eared owl, 62, 63, 66.
Sittosoma, 238.
Skunk, 15; habits of, 116-123; degeneracy of, 158.
Snakes, their enemies, 72--75; hybernating habits, 321; mimicry, 374-378.
Sociable hawk, 95.
Sparrow, common, 84.
Spathura, 219.
Spencer, Herbert, on instinctive fear of man in birds, 99, 100.
Spiders, facts and thoughts about, 176-199.