5564. There are spirits, low in stature, who boom when they speak; sometimes they do this all together, like a column of troops. They are born with this method of speaking. They do not come from this planet but from some other one which in the Lord's Divine mercy will be described when the inhabitants of various planets are the subject. I have been told that these spirits correlate with the shield-shaped cartilage which is situated in front of the cavity of the chest and which serves as a support for the front of the ribs and also for various voice muscles.