This crossword No. 13168 clues and answers were published on Mon 23 Jul 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13168 link.
All Across Clues and Answers:
1-across – Parliamentary voting instruction : THREELINEWHIP
8-across – Polluted mist : SMOG
9-across – Michigan university city : ANNARBOR
10-across – Scotch rash : CROSSHATCH
12-across – Wood for building — saddle : LUMBER
14-across – Overbalance and fall headlong : TOPPLE
15-across – Bitterness : RESENTMENT
19-across – Defer action on : HOLDOVER
20-across – Put down : LAID
21-across – Green peppermint-flavoured liqueur : CREMEDEMENTHE
All Down Clues and Answers:
2-down – Amusing : HUMOROUS
3-down – Bounds : EDGES
4-down – Processed animal skin : LEATHER
5-down – Tonne : NONET
6-down – Adoration : WORSHIP
7-down – Press : IRON
11-down – Excluding others outside one’s own group : CLANNISH
13-down – Ennui : BOREDOM
14-down – Chinese puzzle — arm gnat : TANGRAM
16-down – Kept for later : SAVED
17-down – Sweet juicy fruit : MELON
18-down – Square number : FOUR
This crossword has in total 22 where 10 are across and 12 are down.