This crossword No. 12586 clues and answers were published on Sat 11 Sep 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12586 link.
All Across Clues and Answers:
1-across – Tree — London district : POPLAR
4-across – He’s mad : SHAMED
9-across – Select : EMPANEL
10-across – Pulsate : THROB
11-across – Sacs containing diseased matter : CYSTS
12-across – Wear out : EXHAUST
13-across – Radio or TV journalist : BROADCASTER
18-across – Natural home of an organism : HABITAT
20-across – Replica : MODEL
22-across – Supply inadequately — fixed period of work : STINT
23-across – Result : OUTCOME
24-across – Breathe out : EXHALE
25-across – Malodorous : SMELLY
All Down Clues and Answers:
1-down – Publicly proclaim : PREACH
2-down – Samuel, diarist, d. 1703 : PEPYS
3-down – Loss of memory : AMNESIA
5-down – Cage for small animals : HUTCH
6-down – Large tent : MARQUEE
7-down – Exchange of views : DEBATE
8-down – Squabble : ALTERCATION
14-down – Waste matter : RUBBISH
15-down – Sign of illness : SYMPTOM
16-down – Sachet : CHASTE
17-down – Tired : SLEEPY
19-down – Complete : TOTAL
21-down – Quaintly amusing : DROLL
This crossword has in total 26 where 13 are across and 13 are down.