CD sends thanks for pamphlet.

He has been very unwell for three months; it will be long before he can apply himself to his usual pursuits.

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.]