Auroral Display. Boston. September 2. The auroral display of last mcbt was so brilliant alter mid mem that or dinary print could be read by its light. It con siderably impeded the working of the telegraph linos, and its effects, were continued up to noon of to-day. Tbe auroral current from East to West was so regular that the operators on the eastern lines could send messages to this city without the. usual batteries being applied ; the same extraordinary efiect was apparent on the .National teiegraph wires between jfniiaaeipuia ana r ntsourg.