This crossword No. 10983 clues and answers were published on Tue 19 Jul 2005 and the puzzle can be visited by following The Guardian Quick Crossword No. 10983 link.
All Across Clues and Answers:
1-across – Such distinctions are hard to see : SUBTLE
4-across – Language of the Middle East : ARABIC
8-across – Ghastly : LURID
9-across – Fool : MUGGINS
10-across – First, second etc : ORDINAL
11-across – Compare : LIKEN
12-across – Treatise on single subject : MONOGRAPH
17-across – Let in – concede : ADMIT
19-across – Branch of mathematics : ALGEBRA
21-across – Large flatfish : HALIBUT
22-across – Consignment : BATCH
23-across – : MARKET
24-across – Trojan hero : HECTOR
All Down Clues and Answers:
1-down – Pasty-faced : SALLOW
2-down – Ennui : BOREDOM
3-down – Burdened : LADEN
5-down – Crown and associated pieces : REGALIA
6-down – Rectangular block for building : BRICK
7-down – Trigonometrical ratio : COSINE
9-down – Not benign : MALIGNANT
13-down – Famous : NOTABLE
14-down – Living area : HABITAT
15-down – Measure of depth : FATHOM
16-down – Foam caused by soap etc : LATHER
18-down – Type of tooth : MOLAR
20-down – Triangular top of side wall : GABLE
This crossword has in total 26 where 13 are across and 13 are down.