The Times Concise puzzle clues 2015 Jan 21

• Add coal to (a furnace) Crossword Clue
• A turn in a spiral shell Crossword Clue
• Dot; fielding position Crossword Clue
• Implied meaning Crossword Clue
• J. G. —, English novelist Crossword Clue
• Measure of elasticity Crossword Clue
• One who can't sleep Crossword Clue
• Petrol seller Crossword Clue
• Proprietor Crossword Clue
• Relating to tailoring Crossword Clue
• Release (from a duty) Crossword Clue
• Showing tiredness Crossword Clue
• Sloping, slanting Crossword Clue
• Theatrical player Crossword Clue
• Waiting in ambush Crossword Clue
• William — (The Lord of the Flies) Crossword Clue
• Worry constantly (about) Crossword Clue