This crossword No. 10099 clues and answers were published on Mon 16 Sep 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10099 link.
All Across Clues and Answers:
1-across – Another drink : REFILL
4-across – Bovine young – parts of leg : CALVES
9-across – Not informed – ignorant : UNAWARE
10-across – Final stage of : IMAGO
11-across – Immature form of : LARVA
12-across – Strange : UNUSUAL
13-across – Compel : NECESSITATE
18-across – Covered arcades : LOGGIAS
20-across – North African mountains – mythical Titan : ATLAS
22-across – Extreme : ULTRA
23-across – Opening : ORIFICE
24-across – Place to stay : HOSTEL
25-across – Unevenly made : RAGGED
All Down Clues and Answers:
1-down – Russian monetary unit : ROUBLE
2-down – Natural aptitude : FLAIR
3-down – Unwanted escape : LEAKAGE
5-down – Goodbye : ADIEU
6-down – Rail bridge over valley : VIADUCT
7-down – Ought : SHOULD
8-down – Ring bell to get off here : REQUESTSTOP
14-down – Half quarters : EIGHTHS
15-down – Russian empress : TSARINA
16-down – Furrower of soil : PLOUGH
17-down – Go up : ASCEND
19-down – Picture : IMAGE
21-down – Untruthful – in bed? : LYING
This crossword has in total 26 where 13 are across and 13 are down.