Her mistress had never called a servant in that voice save once before, and that was when she had seen from the window Tartar in full tug with two carriers' dogs, each of them a match for him in size, if not in courage, and their masters standing by, encouraging their animals, while hers was unbefriended. 
Her mistress had never called a servant in that voice save once before, when Tartar had been fighting with two large carriers' dogs, encouraged by their masters. 