AUSTRALIAN STARS OEFAULTjyOUBLES Gerald Patterson's Sprained Arm Forces Invaders to Leave Tourney. By Universal Service. SOUTHAMPTON, N. Y., Aug. 21. Norman Nor-man E. Brookes of Australia qualified today for tho semi-final round of the Meadowbrook club singles by defeating Dean Mathey of Princeton. 6-4, 6-1. Brookes showed superior speed and generalship gen-eralship throughout the match. Gerald Patterson, also of Australia, sprained his racquet arm and was forced to retire from the doubles of the Meadow-brook Meadow-brook cup, in which he and Brookes had started against Frederick F. De Kham and Major E. B. Harran. The match went to the American-English pair by default. The other Australian pair, Randolph Lycett and R. V. Thomas, won their match with Theodore Roosevelt Pell and Willis E. Davis, 7-5, 6-4. Davis won his way to the Bemifinals of I the singles by outvolleying and out-smashing out-smashing Conrad B. Doyle of Washington. I The score was 6-3, 6-0. Lyle E, Mahan ; also qualified for the semifinals by de-i de-i f eating Randolph Lycett, 0-4, 6-2, and ; Charles S. Garland also came through by i winning from Leonard Beeloman, 6-3, 2-6, 9-7. W. T. Tllden II and Garland, Randolph Lycett and R. V. Thomas, the Australians, Aus-tralians, and C. B. Doyle, and Dudley i Morgan, were pairs that came through to the doubles semifinals.