CHAP. IX. DECISION. 233 Europeans; for the essence of savagery seems to consist in the retention of a primordial condition,, and this occa- sionally holds good even with bodily peculiarities.12 It may be objected to this view of the origin of pouting, that the anthropoid apes likewise protrude their lips when astonished and even when a little pleased; whilst with us this expression is generally confined to a sulky frame of mind. But we shall see in a future chapter that with men of various races surprise does sometimes lead to a slight protrusion of the lips, though great sur- prise or astonishment is more commonly shown by the mouth being widely opened. As when we smile or laugh we draw back the corners of the month, we have lost any tendency to protrude the lips, when pleased, if in- deed our early progenitors thus expressed pleasure. A little gesture made by sulky children may here be noticed, namely, their " showing a cold shoulder." This has a different meaning, as, I believe, from the keeping both shoulders raised. A cross child, sitting on its par- ent's knee, will lift up the near shoulder, then, jerk it away, as if from a caress, and afterwards give a backward push with it, as if to push away the offender. I have seen a child, .standing at some distance from any one, clearly express its feelings by raising one shoulder, giving it a little backward movement, and then turning away its- whole body. Decision or determination.—The firm closure of the mouth tends to give an expression of determination or decision to the countenance. No determined man prob- ably ever had an habitually gaping mouth. Hence, also, .a small and weak lower jaw, which seems to indicate that 121 have given several instances in my * Descent of Man,' vol. i. chap. iv.