CHAP. V. CATS. 125 quired, through the principle of antithesis, certain ex- pressive gestures; for it is not probable that these ani- mals, confined in cages, should have learnt them by imi- tating dogs. Gats.—I have already described the actions of a cat FIG. 15.—Cat terrified at a dog. From life, by Mr. Wood. (fig. 0), when feeling .savage and not terrified. She as- sumes a crouching attitude and occasionally protrudes her fore-feet, with the claws cxscrtcd ready for striking.