This crossword No. 25507 clues and answers were published on Fri 16 Dec 2011 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 25507 link.
All Across Clues and Answers:
8-across – Bugs for which Stalin’s henchman introduced law : BACTERIA
9-across – Bird finds oil spread in seaweed : ORIOLE
10-across – Point to one politician as being ineffectual : WIMP
11-across – Australia has a single chicken and it’s fast disappearing : OZONELAYER
12-across – Stage equipment that’s not so clever? : DIMMER
14-across – There’s a warning in what’s left to replace trees : REFOREST
15-across – Account in fault that turns out to be correct : FACTUAL
17-across – Fair in which is a tightrope walker : BLONDIN
20-across – High storey heard as not necessarily 15 : TALLTALE
22-across – Embryonic challenger to chess champion : FOETAL
23-across – False clues crop up to sideline belief : SECULARISE
24-across – It’s found in couples each at endless enmity : HATE
25-across – Big times for some in Oklahoma : OSAGES
26-across – Station that’s passed on the way to its destination : WATERLOO
All Down Clues and Answers:
1-down – Degree to which quartz is used in classical building : BASILICA
2-down – One has to mind it with dogs and cats about : STEP
3-down – How a Londoner is said to work with this? : ARDOUR
4-down – Virgin and child in stone : MASONRY
5-down – Strong pure wolf stock : POWERFUL
6-down – Poor dear gran is upset : DISARRANGE
7-down – Tradesmen get to grips with them : PLIERS
13-down – Science said to convey antipathy to Old Bill? : METALLURGY
16-down – Articles on a 2 twisted foot : ANAPAEST
18-down – Where soldiers appear to display idleness? : INACTION
19-down – Criticism about wives, perhaps : REVIEWS
21-down – Reluctant to read a little poetry? : AVERSE
22-down – Special day, if eats are served up : FIESTA
24-down – One denied having been told about cattle? : HERD
This crossword has in total 28 where 14 are across and 14 are down.