Color-markings (Plate XV) from A Nomenclature of Colors for Naturalists (1886)
Summary
Figures illustrating various color-markings on bird feathers from Robert Ridgway (1886) A Nomenclature of Colors for Naturalists, and Compendium of Useful Knowledge for Ornithologists, Boston, Mass.: Little, Brown, and Company, OCLC 1027257614, plate XV.
Tags
Date
1886
Source
Wikimedia Commons
Copyright info
public domain