Possible Clues:

• Give pussy a rake for the undeground
• Tunneled area
• Give pussy a grooming - get down to it
• Chap has a curry in the cellar
• Animal has a search in cellar
• Tom meets a fellow medic in the crypt
• Subterranean excavation used as a burial-place
• Burial chamber yields (sacred?) feline and a toilet accessory
• Feline has a search in the tunnel for bodies
• Underground cemetery with recesses for tombs