Notice the egg shape, which looks like a tear drop shape when it's so small. That's the shape you're looking for on the head.
If you're not itching yet, notice the red eyes on the larvae. Nasty little critters, aren't they?
Looking Into the Nit One Hairy Head Lice Egg
From Rod Brouhard, About.com
Updated September 08, 2008
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Courtesy of the CDC/Dr. Dennis D. Juranek
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