"30. Acne, or pimples, on the face are also among the suspicious signs, especially when they appear upon the forehead as well as upon other portions of the face. Occasional pimples upon the chin are very common in both sexes at puberty and for a few years afterward, but are without significance, except that the blood may be somewhat gross from unwholesome diet or lack of exercise. 31. Biting the finger nails is a practice very common in girls addicted to this vice. In such persons there will also be found, not infrequently, slight soreness or ulceration at the roots of the nails and warts, one or more, upon one or both the first two fingers of the hands-usually the right."