1. Flea facts
   Flea facts, pictures, information and more..
   http: //academickids.com/encyclopedia/index.php...
   
   
2. Fleas Fleas Fleas
   
   http: //yourfamilyshealth.com/family_health/pet...
   
   
3. Fleas and Ticks
   
   http: //k9web.com/dog-faqs/fleas-ticks.html
   
   
4. Fleas, HYG-2081-97
   Adult fleas are not only a nuisance to humans and their pets, but can cause medical problems including flea allergy dermatitis..
   http: //ag.ohio-state.edu/~ohioline/hyg-fact/20...
   
   
5. Fleas, Ticks and Mites - Animal Health
   Fleas, ticks, and mites are, parasites that live on or burrow into their hosts' skin. Parasites live at least part of their life cycles at the expense of host organisms.
   http: //animalhealthchannel.com/fleasticksmites...
   
   
6. Headlice Information
   Questions and answers about headlice including definitions, treatments, contact information, and informationabout research being conducted at the Harvard School of Public Health.
   http: //hsph.harvard.edu/headlice.html
   
   
7. Lice
   Lice are an order of over 3000 species of wingless parasitic insects
   http: //academickids.com/encyclopedia/index.php...