A series showing transmission of mental defect through the apparently normal.

E 6a

Insanity, blindness, epilepsy and feeble-mindedness.

E 6b

Insanity in three generations. Transmission through the normal in each case.

E 6c

Insanity through the normal twice removed.

E 6d

Insanity, epilepsy, and infant mortality—a Mendelian suggestion.