Figure 1From: Apes, lice and prehistoryHuman lice. (a) Head louse (Pediculus humanus). (b) Nit (egg) of head louse. With permission from http://www.headlice.org. (c) Pubic louse or 'crab' (Pthirus pubis). (a) and (c) are by Vince Smith and are reproduced with permission.Back to article page