Better if they have, [112], [127].

Jury to decide weight to be given to, [114].

Opinions on morals, [115].

Do not speak as to merits, [115], [118], [125], [127].

Advisers of the Court, [115], [116].

Should state grounds of opinion, [116].

Admissible only as to matters of skill, [119].

Are not jurors, [119], [125].

Opinions on opinion, [119].

In insanity cases, [121]–[128].