Definitions by Dr. Feelgood, head of baileyentology at Cambridge university

Baileyentology 

The study of the life cycle of the mysterious Bill Bailey creature.

Baileyentology - example field notes:
"He moves with the silky precision of a crab..."
"A large creature, usually seen scurrying towards a buffet at dusk..."

Baileyentology by Dr. Feelgood, head of baileyentology at Cambridge university June 18, 2008