This crossword No. 10405 clues and answers were published on Wed 10 Sep 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10405 link.
All Across Clues and Answers:
1-across – Slice cut from centre of circle : SECTOR
4-across – Chewy sweet : TOFFEE
9-across – Featherbrain : AIRHEAD
10-across – Evade – escape : AVOID
11-across – Ape : CHIMP
12-across – Psychological speech problem : STAMMER
13-across – Matthew, of tax collectors; Luke, of physicians, etc : PATRONSAINT
18-across – Straddling : ASTRIDE
20-across – Involuntary contraction of muscles : SPASM
22-across – Yellow or red pigment : OCHRE
23-across – Be worthy of : DESERVE
24-across – Body of doctrine – method of procedure : SYSTEM
25-across – It could follow desert, coral, thousand or traffic : ISLAND
All Down Clues and Answers:
1-down – Seize – fragment of verse : SNATCH
2-down – Royal canine : CORGI
3-down – Scoring more bogeys than birdies? : OVERPAR
5-down – Nebraska city : OMAHA
6-down – Underwater swimmer : FROGMAN
7-down – Tolerate : ENDURE
8-down – Miscellaneous pieces : ODDSANDENDS
14-down – They are regularly dropped in the East End : AITCHES
15-down – Lends a hand : ASSISTS
16-down – Spoken regional dialect : PATOIS
17-down – Threaten – be about to happen : IMPEND
19-down – Goddess of peace : IRENE
21-down – Parts of the heart or of Roman houses : ATRIA
This crossword has in total 26 where 13 are across and 13 are down.