Sight.—Light.—Five minutes after birth, slight sensibility to light (2). Second day, sensitiveness to light of candle (3). Sixth and seventh days, pleasure in moderately bright daylight (3, 4). Ninth and tenth days, sensitiveness greater at waking than soon afterward (3). Sleeping babes close the eyes more tightly when light falls on the eyes (4). Eleventh day, pleasure in light of candle and in bright object (3).
Discrimination of Colors.—Twenty-third day, pleasure in sight of rose-colored curtain (6).
Movements of Eyelids.—First to eleventh day, shutting and opening of eyes (22). Irregular movements (23). Lid closed at touch of lashes from sixth day on (26). Twenty-fifth day, eyes opened and shut when child is spoken to or nodded to (30).
Pleasure shown by opening eyes wide, displeasure by shutting them tightly; third, sixteenth, and twenty-first days (31).
Movements of Eyes.—First day, to right and left (35). Tenth day, non-coördinated movements (36). Third week, irregularity prevails (37).
Direction of Look.—Eleventh day, to father's face and to the light (43). Upward look (43). Twenty-third day, active looking begins (44). Twenty-third and thirtieth days, a moving light followed (44).
Seeing Near and Distant Objects.—Twelfth day, hypermetropia (60).
Hearing.—First days, all children deaf (72). Fourth day, child hears noises like clapping of hands (81). Eleventh and twelfth days, child quieted by father's voice: hears whistling. Twenty-fifth day, pulsation of lids at sound of low voice. Twenty-sixth day, starting at noise of dish. Thirtieth day, fright at loud voice (82).
Feeling.—Sensitiveness to Contact.—At birth (97-105). Second and third days, starting at gentle touches. Seventh day, waked by touch on face (105). Eleventh day, lid closed at touch of conjunctiva more slowly than in adults (103).
Perception of Touch.—First gained in nursing (110).
Sensibility to Temperature.—At birth, cooling unpleasant. Warm bath agreeable. Seventh day, eyes opened wide with pleasure from bath (112). First two or three years, cold water disagreeable (114). Mucous membrane of mouth, tongue, lips, very sensitive to cold and warmth (115).
Taste.—Sensibility.—At birth (116-118). First day, sugar licked (118). Second day, milk licked (119). Differences among newly-born (120). Sensation not merely general (122).
Comparison of Impressions.—During nursing period child prefers sweet taste (123). Second day, child accepts food that on the fourth he refuses (124).
Smell.—Faculty at Birth.—Strong-smelling substances produce mimetic movements (130).
Discrimination.—Eighth day, groping about for nipple (134).
Organic Sensations and Emotions.—Pleasure.—First day, in nursing; in the bath; in the sight of objects; in the light (141).
Discomfort.—First days, from cold, wet, hunger, tight clothing, etc. (147).
Hunger.—First days, manifested in sucking movements, crying, restlessness (152). Cry differs from that of pain or of satisfaction....