This crossword No. 11627 clues and answers were published on Mon 13 Aug 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11627 link.
All Across Clues and Answers:
1-across – Battle – helmet : BALACLAVA
8-across – Mistake : ERROR
9-across – Extinct type of elephant : MAMMOTH
10-across – Cotton fabric used for overalls etc : DUNGAREE
11-across – Disastrous : DIRE
13-across – Persistently irritate : NIGGLE
14-across – Globe : SPHERE
16-across – Mild and gentle : MEEK
17-across – Unable to distinguish variations in musical pitch : TONEDEAF
19-across – Fruit of the brier : ROSEHIP
20-across – : DOGGO
21-across – Sheet made from compressed sawdust and resin : HARDBOARD
All Down Clues and Answers:
1-down – Crustacean that sticks to rocks : BARNACLE
2-down – Gastropod that sticks to rocks : LIMPET
3-down – Implement for grooming hair : COMB
4-down – Power from fission or fusion : ATOMICENERGY
5-down – Fungal infection often between toes : ATHLETESFOOT
6-down – Music played as bride enters church : WEDDINGMARCH
7-down – Lawbreaker – grass snorter : TRANSGRESSOR
12-down – Magnificent : SPLENDID
15-down – Fairground game : HOOPLA
18-down – Fat freshwater fish : CHUB
This crossword has in total 22 where 12 are across and 10 are down.