nest, [419];

S. caripensis, [419]

Steatornithidae, [415], [419]

Steering feathers, [21]

Steganopodes, [70] f.;

nostrils, [12];

toes, [10]

Steganopodous, [71]

Steganopus wilsoni, [279]

Stegnolaema montagnii, [197]