... I heard a gun fire, and supposed the storm had proved too strong for us, and we were firing signals of distress... 
Robert Louis Stevenson 「Kidnapped」
...workshop while Archiehad gone to the nearest Signals to telephone for a car and give instructionsabout his precious bus...
John Buchan 「Mr. Standfast」
...For a time the engine-driver took no notice of our signals andshouts, but at last we succeeded in attracting his attention, and thetrain was shunted back to where the ostrich had fallen...
J. H. Patterson 「The Man-eaters of Tsavo and Other East African Adventures」
...We had arranged with our men a system of signals...
Stewart Edward White 「African Camp Fires」
... whose tall spires look like so many signals pointing to heaven...
William Wells Brown 「Clotelle」
...The garment and the place of hanging it had to be changed every day, yet the signals thus made were true to the purpose, and saved uncle Ben from capture...
Charles Thompson 「Biography of a Slave」
...Not because it was about to ebb, but simplyin obedience to certain signals of distress flyingfrom the various barks, and which it was utterly impossiblefor any of us to conceal...
W. E. Webb 「Buffalo Land」
...Such signals are especially usefulwhen birds are migrating; without them, many stragglers from theflocks might get lost...
Neltje Blanchan 「Birds Every Child Should Know」
...The white feathers on thetowhee's short, rounded wings and on the sides of his tail areconspicuous signals, as he flies jerkily to the nearest cover...
Neltje Blanchan 「Birds Every Child Should Know」
...The shepherd's dog not only understands the languageof his master, but, when too distant to be heard, he knows how to actby signals made with the hand...
Edward Jesse 「Anecdotes of Dogs」
...When a dog is huntingfor birds, he should frequently look to the gun for signals, but when heis on them he should trust to nothing but his own scenting faculties...
Dinks, Mayhew, and Hutchinson 「The Dog」
...
Left hand signals "down charge," ...
Dinks, Mayhew, and Hutchinson 「The Dog」
...”All these are so many signals, generallyrecognised by man and other dogs alike...
Major Gambier-Parry 「'Murphy'」
...Withslow wing-beats he signals the comingof some more lazily moving boat, thatdrifts at the languid will of the currentor indolent pull of oars that grate onthe golden-meshed sand and pebbles...
Rowland E. Robinson 「In New England Fields and Woods」
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