140 SPECIAL EXPRESSIONS: CHAP. V. anything—in one instance, at the sight of a turtle/7-— and likewise when pleased. But neither the degree of protrusion nor the shape of the mouth is exactly the same, as I believe, in all cases; and the sounds which are then uttered are different. The accompanying drawing represents a chimpanzee made sulky by an orange having been offered him, and then taken away. A similar protrusion or pouting'of the lips, though to a much slighter degree, may be seen in sulky chil- dren. Many years ago., in the Zoological Gardens, I placed a looking-glass on the floor before two young orangs, who, as far as it was known, had never before seen one. At first they gazed at their own images with the most steady surprise, and often changed their point of view. They then approached close and protruded their lips towards the image, as if to kiss it, in exactly the same manner as they had previously done towards each other, when first placed, a few days before, in the same room. They next made all sorts of grimaces, and put them- selves in various attitudes before the mirror; they pressed and rubbed the surface; they placed their hands at different distances behind it; looked behind it; and finally seemed almost frightened, started a little, became cross^ and refused to look any longer. "When we try to perform some little action which is difficult and requires precision, for instance, to thread a needle, we generally close our lips firmly, for the sake, I presume, of not disturbing our movements by breath- ing; and I noticed the same action in a young Orang. The poor little creature was sick, and was amusing itself by trying to Mil the flies on the window-panes with its 17 W. L. Martin, Nat. Hist, of Maroin. Animals, 1841, p. 405.