During the third year, the secondaries will come on the upper primaries.
Secondaries: the hind wings; always attached to the meta-thorax.
Hence, a tertiary color is made of equal parts of two secondaries.
Secondaries much the same as the primaries, but of a still deeper shade.
The ends of the secondaries must not be separated from the bone of the forearm, or the ulna.
The large dark quills in the wings of Cassowaries are the secondaries.
The cell of the primaries is closed, of the secondaries open.
The secondaries are heavily bordered with black on the outer margin.
The six eye-spots on the secondaries are black and very conspicuous.
The female has a band of orange spots on the margins of the secondaries.