Possible Clues:

• Bony segments of the spinal column
• Back bones
• They are articulate in personal columns
• Parts of supporting column peak mostly by Scottish hillside
• Bones collie finally buried in green hillside ...
• Clergyman returned with rebate - broken bones
• Bones of back
• They're all at the back
• Bits of bone originally embedded in green hillside
• Spinal bones