This was true in two very distinct classes of cases: first, reaching for objects, neutral as regards colour (newspaper, etc.), at more than the reaching distance; and, second, reaching for bright colours at any distance.

Under the stimulus of bright colours, from 86 cases, 84 were right-hand cases and 2 left-hand.

Right-handedness had accordingly developed under pressure of muscular effort in the sixth and seventh months, and showed itself also under the influence of a strong colour stimulus to the eye.
4.

Up to this time the child had not learned to stand or to creep; hence the development of one hand more than the other is not due to differences in weight between the two longitudinal halves of the body.
As she had not learned to speak or to utter articulate sounds with much distinctness, we may say also that right or left-handedness may develop while the speech centres are not yet functioning.

Further, the right hand is carried over after objects on the left side, showing that habit in reaching does not determine its use.
_Theoretical_ .-- Some interesting points arise in connection with the interpretation of these facts.