Palmistry.
The mountain of Mars represents courage, ardor. It is located near the thumb, under the the life line.
If it is very pronounced, this means that the consultant tends to be aggressive, violent, angry.
If it is fleshy, it means that the consultant is voluntary and courageous.
If it is flat and scanty, this represents the weak character of the consultant, his cowardice.
See also: The hand Mounts, Venus mount.