Stas watched its flight with the aid of the field-glass until it became as small as a butterfly, a little speck, and until finally it dissolved in the pale azure of the sky.
"In Desert and Wilderness"
Henryk Sienkiewicz
On the horizon, Svartevoeg, toward which the returning Eskimos were bound, was but a black speck.
"My Attainment of the Pole"
Frederick A. Cook
At length only one traveller is to be seen, a mere speck along the high place where the difficult road winds.
"The Mystery of the Locks"
Edgar Watson Howe