This crossword No. 12578 clues and answers were published on Thu 02 Sep 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12578 link.
All Across Clues and Answers:
1-across – Person sharing accommodation : FLATMATE
5-across – Leave out : OMIT
9-across – Person operating under water : DIVER
10-across – V-shaped band : CHEVRON
11-across – Feature of amusement arcade : FRUITMACHINE
13-across – : INSIDE
14-across – Fisherman : ANGLER
17-across – Thriller film based on a Thomas Harris novel : SILENCEOFTHE
20-across – Without purpose : AIMLESS
21-across – Young migratory fish : ELVER
22-across – Elephant’s tooth : TUSK
23-across – Pleasure : GLADNESS
All Down Clues and Answers:
1-down – Lose colour : FADE
2-down – Parts of speech : ADVERBS
3-down – Participant in traditional English pastime : MORRISDANCER
4-down – Port city in Washington : TACOMA
6-down – Shrove Tuesday : MARDI
7-down – Decade : TENYEARS
8-down – Bucks town — Disraeli’s peerage : BEACONSFIELD
12-down – Opening part of a play : FIRSTACT
15-down – French port : LEHAVRE
16-down – Small carnivore : WEASEL
18-down – See 17 : LAMBS
19-down – See 6 : GRAS
This crossword has in total 24 where 12 are across and 12 are down.