subs. phr. (Australian).Confederates of bushrangers, who supply them with secret information of the movements of the police (MORRIS).
1878. The Australian, i., 507. The police are baffled by the false reports of the confederates, and the number and activity of the BUSH TELEGRAPHS.
1893. KENNETH MACKAY, Out Back, 74. A hint dropped in this town set the BUSH TELEGRAPHS riding in all directions.