Expressive Movements.—Roguish laughing first observed (299).
INTELLECT.
Understanding of actions and of use of utensils more developed than ability to interpret representations of them (I, 64, 65).
Speech.—Voluntary sound-imitations gain in frequency and accuracy; genuine echolalia (148). Imperfect imitations (149). Multiplicity of meanings in the same utterance (150). Distinguishing men from women. Combination of two words into a sentence, seven hundred and seventh day; words confounded; also gestures and movements; but not in the expression of joy and grief (151, 152).
TWENTY-FIFTH MONTH.
SENSES.
Sight.—Discrimination of Colors.—Color-tests, red and green; seven hundred and fifty-eighth day, eleven times right, six wrong; seven hundred and fifty-ninth, seven right, five wrong; seven hundred and sixtieth, nine right, five wrong (8). Does not yet know what blue and green signify. Moves and handles himself well in twilight (21).
Seeing Near and Distant Objects.—One hundred and eighth week, power of accommodation good; small photographic likenesses recognized (56).
INTELLECT.
Speech.—Progress is extraordinary. Does not pronounce a perfect "u." All sound-imitations more manifold, etc.; begins saying "so" when any object is brought to appointed place (152). Has become more teachable, repeats three words imperfectly. Evidence of progress of memory, understanding and articulation in answers given. No word invented by himself; calls his nurse wolá, probably from the often-heard "ja wohl." Correct use of single words picked up increases surprisingly (153). Misunderstandings rational; words better understood; reasoning developed (154). Inductive reasoning. Progress in forming sentences. Sentence of five words. Pronouns signify objects or qualities (155, 156).