- Color Standards/and/Color Nomenclature/by/Robert Ridgway, M.S., C.M.Z.S., etc./Curator of the Division of Birds, United States/National Museum./With Fifty-three Colored Plates/and/Eleven Hundred and Fifteen Named Colors./Washington, D. C./1912./Published by the Author./(8 mo., colored frontispiece, pp. (I) II–III (IV), (1) 2–43 (44). Reviewed by P. L. Ricker in MYCOLOGIA 5: 172–174. March, 1913.)
- While the discussion here presented is confined to Ridgway's book, the deductions are applicable to any work which attempts to standardize colors by giving the colors themselves.
- The tests here recorded were conducted in a room, near a good-sized window in the north wall. Sky clear. No other illumination. No reflections from strongly colored objects outside. Wall-paper and near-by objects not conspicuous in color. Every test was verified by two persons.
Observations on the Use of Ridgway's New Color-Book. The Color of the Spores of Volvaria Speciosa FR
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