_Speech._--Screaming, whimpering, etc. (101). Increase of discrimination: _bibi_, _nae-nae-nae_, _t-to_, _hoet-to_; voluntary imitation (129). Associations of words heard with objects and movements (130). _Feeling of Self._--Making grimaces before mirror (200). EIGHTEENTH MONTH. SENSES. SIGHT.--_Direction of Look._--Seventy-eighth week, throwing away of playthings is rare (50). _Interpretation of what is seen._--Anxiety on seeing man dressed in black (64). SMELL.--Objects no longer carried to mouth (135). ORGANIC SENSATIONS AND EMOTIONS.--Laughing at thunder (170). WILL. _Impulsive Movements._--Holding little finger apart from others (209). _Instinctive Movements._--Walks over threshold by holding on (275). Seventy-seventh week, runs around table; seventy-eighth, walks over threshold without holding on (280). _Imitative Movements._--Blowing horn (290). _Expressive Movements._--Trying to hit with foot, striking, etc. (315). Waiting attitude (318). _Deliberate Movements._--Full spoon carried to mouth with skill (329). INTELLECT. Memory of towel (8). Watering flowers with empty pot (16). Plays (17). Giving leaves to stag, etc. (18). Stick of wood put in stove (20). _Speech._--Understanding of words increases (130). Repeating of syllables is rare; _atta_ becomes _tto_, _t-tu_, _ftu_; feeling recognized by tone of voice (131). _Feeling of Self._--Recognition of himself as cause of changes (192). NINETEENTH MONTH. SENSES. HEARING.--Hearing watch on his head (89). ORGANIC SENSATIONS AND EMOTIONS.--Fear of strangers ceases (150). Laugh at thunder and lightning (170). WILL. _Imitative Movements._--Combing and brushing hair, washing hands, etc. (290). _Expressive Movements._--Fastidious about kissing (306). Pride in baby-carriage (324). _Deliberative Movements._--Spoon taken in left hand (329). INTELLECT. Father recognized after absence (8). Bringing cloth for wrap and begging for door to be opened (12). Grunting in order to be taken away (13). Induction, watch and clock (18). Crying seen to be useless (20). _Speech._--Imitation of whistle (91). Spontaneous sound imitations more frequent (131). Gazing after objects thrown and whispering, reading newspaper (132). Response to _pa_ correctly given (133). Objects correctly pointed out; memory of tricks (134). _Feeling of Self._--Attempt to give his foot (190). TWENTIETH MONTH. SENSES. SIGHT.--_Discrimination of Colors._--First color-tests. Eighty-fifth week, no discrimination (7). Eighty-sixth and eighty-seventh weeks, no results (8). _Movements of the Eyes._--Readiness of convergence, pupils very wide open (38). ORGANIC SENSATIONS AND EMOTIONS.--Prolonged sleep habitual, etc. (163). WILL. _Reflex Movements._--Respirations twenty-two and more (217). _Instinctive Movements._--Eighty-fifth week, thresholds stepped over quickly; inclines forward in running (280).