1: It may be used in candy or brought back in taxi (5)

3: And not in town, ordinarily (3)

5: Height is equal to three-fifths of the first one (3)

7: Biting piece of chocolate with dry exterior (5)

8: A state, see - one in America - one with an American capital (9)

10: A drain could be at the bottom (5)

11: Sound of river crossing (3)

12: 4-down Arias hit high note in some of the lungs (3,3)

13: Demand payment? Just so! (5)

1: Creep closer to girl, fight cold back (5)

2: See, sir; bar is operating at the beer eatery (9)

3: Tell about French and Scottish island (7)

4: Clear initial rubbish in drain (3)

6: Empty pail beneath sack (7)

9: Proficient in arithmetic, starting with short division (5)

10: Ran amok, with club for a weapon (3)