Semi-Finals of Tennis Singles Today.

The semi-final round of the singles of the fall tennis tournament will be played this afternoon at 2.30 o'clock on Jarvis Field. B . S. Prentice '05 will play R. Bishop 3L., and H. V. Mason '05 will play G. A. Lyon, Jr., 3L. In this and the final round the matches are for three out of five sets, and deuce and advantage sets may be played.

The matches in the singles yesterday resulted as follows: B. S. Prentice defeated P. L. Miller, 6-4, 6-1; R. Bishop defeated H. V. Greenough, 6-2, 6-1; H. V. Mason defeated J. Morse, 6-1, 8-6; G. A. Lyon, Jr. defeated S. L. Beals, 6-4, 6-2.

In the doubles, C. W. Blossom and A. Wait defeated H. H. Whitman and E. Cross, 6-5, 6-3; S. L. Beals and P. C. Stanwood defeated J. C. Parrish, Jr. and D. Farrington, 6-4, 6-4; W. C. Brooks and H. Davenport defeated W. G. Howard and W. F. Low, Jr., 6-5, 6-1; R. Bishop and G. A. Lyon, Jr. defeated W. Drinkwater and M. H. Ivy, 6-1, 6-3; A. Schwab and M. Wertheim defeated F. T. Elliott and L. I. Neale, 6-3, 6-0; S. N. Hinckley and L. King defeated A. Hoe and L. B. Stowe, 6-1, 6-1; H. S. Deming and D. Wadsworth defeated L. B. Duer and C. C. Hackett, by default; R. Dresser and P. L. Miller defeated G. A. Gordon and partner, 6-2, 6-1; F. J. Sulloway and W. M. Tilden defeated V. S. Manson and h. r. Sedgewick, 6-0, 6-2; C. Hutchins and R. Derby defeated H. Peabody and J. W. Lee, 6-3, 6-1; G. M. Colwell and F. A. Perine defeated R. A. Wiswall and A. A. Dole, 6-1, 6-0; F. W. Bird and A. Hunt defeated L. B. Bacon and W. C. Cogswell, Jr., 6-4, 5-6, 6-2; J. I. B. Larned and B. S. Prentice defeated H. I. Cobb and H. Thatcher, 6-1, 6-0.

The matches in doubles to be played today are as follows:

At 2.30--C. D. Filley and L. Delano vs. J. Bramwell and E. Taft, winner to play A. Schwab and M. Wertheim at 3.30; W. E. Sachs and partner vs. T. B. Souther and C. C. Lee; H. V. Greenough and D. Brannan vs. J.L. Stettinius and F. Ingalls; winners of the last two matches to play at 3.30.

At 3--C. Hutchins and R. Derby vs. G. M. Colwell and F. A. Perine.

At 4--S. L. Beals and P. C. Stanwood vs. winners of C. W. Blossom and A. Wait vs. W. g. Graves and G. K. Jones; W. C. Brooks and H. Davenport vs. R. Bishop and G. A. Lyon, Jr.; R. Dresser and P. L. Miller vs. F. J. Sulloway and W. M. Tilden; J. I. B. Larned and B. S. Prentice vs. F. W. Bird and A. Hunt.