Earlier Phelps added the 200m butterfly gold to his 400m individual medley title, but was unhappy not to better his own world record.
Returning veteran Geoff Huegill had earlier set the tone for Australia as he swam a new Games record, in a time of 51.69, to win the Commonwealth 100m butterfly gold for the third time in his career - the first coming 12 years ago.
On Sunday, Dana Vollmer should grab her first individual gold in the 100-meter butterfly, over Sweden's Sarah Sjostrom.
It was another Dutch one-two in the final of the women's 50 metres butterfly with Chantal Groot taking gold and Inge Dekker the silver.
Dana Vollmer, the first woman in history to swim the 100-meter butterfly in under 56 seconds took Gold at the London Olympics.
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At the end of our four-hour hike, Remo pounced into a dense roadside thicket to catch a scarce swallowtail, a butterfly noted for its brilliant blue and gold tail whose design mimics the head of a distasteful insect to ward off predators.
Spitz won gold in the 100m and 200m freestyle, 100m and 200m butterfly and three relays in 1972 in Munich.
Halsall helped herself to an excellent start in her 50m butterfly final, but only just held on for gold ahead of Australian duo Guehrer and Emily Seebohm.
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Ben Procter lowered the S14 100m butterfly British record in his heat and went on to win gold in his final and he triumphed in the 100m backstroke in a new world record.
Sascha Kindred's bid for a third gold ended as he finished sixth in his weakest event - the S6 50m butterfly.
James won men's 100m butterfly silver and Simmonds was pipped to women's 200m backstroke gold, as was Spofforth over the 50m backstroke distance - a race in which Wales' Georgia Davies tied for bronze.
Last year at the European Championships, she won seven medals, but du Toit was not competing at the event and has already taken a gold from Gascon at these games -- in the Women's 100m Butterfly S9 class, for swimmers with physical impairments.
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Among the brooches is a spectacular creation in which an octopus attacks a butterfly, designed by Germany's Wilhelm Lucas von Cranach from 1900 and executed in pearls, gold, rubies, amethysts, topaz and enamels.
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