The influence of improvement in one mental function upon the efficiency of other functions. II. The estimation of magnitudes.

1. Triangles within the same limits of size. 2. Areas between 140-200 sq. cm. of similar shape to those of the training series. 3. Areas between 200-300 sq. cm. of similar shape to those of the training series. 4. Areas between 100-140 sq. cm. of various shapes; circles, trapezoids, etc. 5. Areas of 140-200 sq. cm. of various shapes; circles, trapezoids, etc. 6. Areas between 200-240 sq. cm. of various shapes; circles, trapezoids, etc. 7. Areas of 240 sq. cm. and over of various shapes; circles, trapezoids, etc.