Pinions

Beyond lay the sea, shimmering and blue, and over it soared the gulls, their pinions flashing silvery in the sunlight.

The bird, (this kingfisher, nesting in the sea) is covered with feathers, flies with pinions, and has two wings, and as many pedida, a tail, and a bill. The female, in a nest, lays eggs, and incubating those, hatches chicks.

The heat treatment of pinions produced from this material consists in carburizing at a temperature of from 1,600 to 1,650 °F.

The bird was a dark blotch against the perfect blue sky for several seconds, and then, suddenly folding his pinions and closing his tail, he darted downward like a bomb dropped from an aeroplane.