FD and CD have been interested in AdeC’s diagram for illustrating inheritance. The difficulty of estimating different qualities in oneself and others is very great. Encloses a diagram illustrating how FD compares himself with his parents. CD has filled in a comparison with his father. It shows he resembles his father more than FD resembles CD. [The qualities compared are: stature, hair, eyes, pulse, musical capacity, ability to draw, tendency toward biological sciences, tendency toward mathematical sciences, perseverence, memory, aptitude for foreign languages.]