Protection From Natural Attacks

Abjuration
Level: Alchemist* 3, Druid * 4, Hunter * 2, Ranger * 2, Shaman * 4, Summoner * 3
Components: V, S, M/DF (a scale from a lizard)
Casting Time: 1 Standard Action
Range: touch
Target: creature touched
Duration: 1 minute/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: yes (harmless)
  Upon casting this spell, select one type of natural attack from the following: bite, claw, gore, hoof, pincers, slam, sting, swarm, tail slap, talon, tentacle, or wing. For the duration of the spell, the target gains DR 5/- against all attacks from natural weapons of the selected type.