The Seniors and Juniors will play the first game for the interclass lacrosse championship on Soldiers Field this afternoon at 4 o'clock. The second game, between the Sophomores and Freshmen, will be played next Tuesday, and the winners of these two matches will play for the championship next Thursday. The winning team will be awarded cups and will also receive class numerals. The line-ups this afternoon will be: 1910.  1911. Leavitt, g.  g., Brightman Cummings, p.  i.h., J. P. Morgan Hickey, c.p.  o.h., Voshell Downer, 1d.  1a., Hodgdon Leonard, 2d.  2a., Johnson, Burrage Parsons, Fornell, 3d.  3a., Munro Alexander, c.  c., Knowlton, Hoyt E. Morgan, 3a.  3d., Nash Farwell, 2a.  2d., Glover, Squibb R. P. Smith, 1a.  1d., Newton Shaw, o.h.  c.p., Fitts Martin, i.h.  p., Branch