By James Standley
Canada defended bravely throughout the 80 minutes
Australia (13) 37
Tries: Baxter, Frier, Smith, Mitchell 2, Latham
Cons: Shepherd 2
Pens: Huxley Baxter, Frier, Smith, Mitchell 2, LathamShepherd 2Huxley Canada (0) 6
Pens: Pritchard 2
Pool B winners Australia made it four wins out of four as they laboured to a bonus-point victory over lowly Canada in the pouring rain in Bordeaux.
Tries from Al Baxter and Adam Frier helped a second-string Wallaby side into a 13-0 half-time lead.
Canada got on the board through two James Pritchard penalties either side of a George Smith try for Australia.
Winger Drew Mitchell helped himself to two tries before Chris Latham cruised over for Australia's final score.
Australia - the only nation to win the Web Ellis Trophy twice - had already sewn up the pool and took the chance to rest a host of big name players ahead of next Saturday's quarter-final against defending champions England.
The Wallabies took the lead through an early Julian Huxley penalty but struggled to put their usual free-flowing, multi-phase style of play into practice in the wet conditions.
Canada, who failed to win a match at the World Cup for the first time, were typically gutsy in defence and they lasted 23 minutes before Baxter powered over out wide.
Hooker Frier then profited as the Australian pack took charge but with Huxley missing both conversions they only led 13-0 at the break.
Pritchard's penalties gave Canada, ranked just 14th in the world, something to smile about but, despite being some way short of their best, Australia were always comfortably in control.
Smith profited from a poor Canadian line-out throw to score their third try before Mitchell went over for his quickfire brace to become the leading scorer in France with seven.
The Wallabies' final try came when Latham finished off a crisp move from first phase to claim his 11th World Cup try, joining former England winger Rory Underwood in third on the all-time list.
Cameron Shepherd managed two conversions while the Wallabies suffered a blow when number eight David Lyons was taken away in a wheelchair with what was later revealed to be a broken leg.
Australia coach John Connolly: "It wasn't the greatest game to watch but we were happy to win. "The conditions probably didn't help and it was one of those games we were always confident we would get away with so subsequently we were a bit loose."
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In the 2007 Rugby World Cup, Fiji and Scotland secured qualification to the knockout stage of the tournament with victories over Wales and Italy respectively. Elsewhere New Zealand defeated  Romania and Australia defeated Canada. Both New Zealand and Australia had already qualified for the following round.

In Pool B, Fiji defeated Wales 38-34 in a dramatic encounter. Stephen Jones opened the scoring for Wales with a penalty, but Fiji raced to a 25-3 lead with tries from Akapusi Qera, Vilimoni Delasau and Kele Leawere and two penalties from Nicky Little. Wales fought back and took the lead after 51 minutes after Alix Popham ,Shane Williams, Gareth Thomas  and Mark Jones each scored.

Nicky Little regained the lead for Fiji with two penalties, but Wales appeared to be heading to victory when Martyn Williams scored with seven minutes remaining. However Graham Dewes scored late on to snatch an extraordinary victory for Fiji to finish second in Pool B. Wales are knocked out of the tournament, but qualify automatically for the 2011 World Cup by finishing third in Pool B.

Australia, the winners of Pool B, beat Canada 37-6. An early penalty from Julian Huxley and tries from Al Baxter and Adam Freier gave Australia a 13-0 lead at half-time. James Pritchard scored two penalties for Canada, but  George Smith, Drew Mitchell (2) Chris Latham all scored tries to complete Australia's victory.

Fiji face South Africa in the quarter finals while Australia will play defending champions England in a repeat of the 2003 final.

Scotland defeated Italy 18-16 to secure their place in the quarter finals. Chris Paterson scored all of Scotland's points by kicking six penalties. Italy were leading twenty minutes into the match after Alessandro Troncon scored a try and David Bortolussi added a penalty. Chris Paterson ensured Scotland's passage into the next round by kicking six penalties out of six. David Bortolussi closed the gap to two points with two penalties, but Scotland held on to finish second in Pool C. Italy finish third and qualify for the next World Cup despite being eliminated from the tournament.

Pool C winners New Zealand scored thirteen tries as they comfortably defeated Romania 85-8. Marius Tincu scored Romania's only try of the match, while Florin Vlaicu added a penalty. Joe Rokocoko scored a hat-trick of tries for the All Blacks, and Sitiveni Sivivatu and Isaia Toeava scored two each.