mother’s insanity or to her alcoholism.

For the present purpose, of course, it does not matter. We see in these facts, whether we regard them as causes or merely as symptoms of a deeper lying cause, sufficient reason for Jean’s being an imbecile. There is every reason to believe that Jean Gianini is an imbecile of high grade. The next important question that arises is a legal one of whether, being an imbecile of high grade, he knew the nature and quality of his act and that it was wrong.

Before discussing this let us consider two other cases—after which we may discuss the general proposition of whether high-grade imbeciles know right and wrong.