[39]

Expression

Z. Gardens Nov. 5 — 1869.

Chimpanzee young — brought into sunlight, blinked & winked eyes repeatedly, but not a trace of vertical furrows as by contraction of corrugator. — when eyebrows raised transverse wrinkles across forehead

(Semnopithecus ruber, when angry raised eyebrows & depressed ears, or Cercopithecus? see Back but did not exposed teeth.)

(Chimpanzee, when frightened erected hair all over body, & Keeper remarked did this to frighten the object which person, (as a man who brought coal & was very black) who causes fear; for he wd approach for a short way such person.)

When much vexed, screamed violently, clasped his head, threw about arms & rolled on belly on ground, just like young child & bite objects on ground— When screaming teeth above & below exposed by relation of lips & corner of mouth

[39v]

drawn far back, so mouth very widely open, but the corner not in the least depressed.

When monkey laughing noise, as when tickled, the upper teeth are not exposed & I believe corner drawn more upwards & lower eyelids wrinkled; but important fact, is that mouth very differently shaped when monkey these two distinct noises.

[Expression, p. 143.]