Newbigin, Marion I. (Marion Isabel), 1869-1934 · London, J. Murray · leaf 289
COLOUR IN NATURE CHAP. 274 Colours of Humming-birds Turning now to humming-birds, we find that here pigmental colours are of relatively little im¬ portance, while structural colours attain an extra¬ ordinary beauty and brilliancy. Further, we find that the place of the pigmental colours of… … Fig. 3. — Metallic feather from the throat of a humming¬ bird. The colour is confined to the central pigmented patch and is there exceedingly bright. The barbs are con¬ tinued beyond the metallic region, but are then without barbules. The figure at the side is a section through the barb to show the…
Animals -- Color · Plants -- Color
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
