Scent of Blood: (Skyrim 1st Totem) Detect life in a large area for 1 minute.
Howl of the Pack:(Skyrim 2nd Totem) summon Two Wolves to fight at your side.
Howl of Rage: (Skyrim 3rd Totem (default skill for werewolves)) Causes nearby enemies up to level 25 to flee for 30 seconds.
Link is http://elderscrolls.wikia.com/wiki/Werewolf