Body Lice.—The Body Lice are larger than the head lice and are commonly found upon the body. This type has bands across the back.
Crab Lice.—They usually develop in the seams of clothing, however, the eggs have been found upon the hairs on the body’s surface. They live in concealed portions of the clothing where the [...]

The Head Lice.—They are grayish in color with blackish margins and show a reddish tinge due to the blood they have sucked from their victim. The eggs or nits are seen attached to the hair shafts on the scalp at some distance from the end of the hair and are tiny white or grayish pear-shaped [...]