In the semi-finals of the interclass tennis tournament yesterday, A. J. Rockwell '00 defeated R. Stearns '01, 6 0, 6 4, and W. S. Warland '03 defeated S. P. Ware '02, 7-5, 6-4.

In the doubles tournament, Thacher and Gray defeated Adams and Whittington, 6-2, 5-7, 6-2; Bldwell and Derby defeated Cross and Beals, 6-2, 10-8: Cole and Rathbun defeated Bayley and Chessman, 6-0, 8-6.

Today at 4 o'clock A. J. Rockwell '00 will play W. S. Warland '03 in the finals of the class tournament.