The Intercollegiate Democratic Convention, expected to attract delegates from over 35 colleges to nominate candidates for President and Vice-President, will be held this weekend in Sanders Theatre.

Tonight at 8 p.m. a rally with brief pointed talks by four prominent local Democrats will open the mock convention. Professors Samuel H. Beer and Seymour E. Harris '20, Mrs. Joseph Cass, Massachusetts State Committeewoman, and a local AFL leader will speak.

Paul Butler, Democratic National Chairman, will deliver the keynote address at 11:30 a.m. Saturday morning. Earlier in the morning, from 9 a.m. on, the delegates will caucus in their state delegations to decide on permanent state chairmen, discuss platform planks, and politick for votes.

Presidential nominations will follow Butler's speech. Delegates wishing to nominate candidates must appear for auditions tonight after the program in Sanders. Cambridge Mayor Edward J. Sullivan, a delegate to the national convention, will be chairman of the judges.

"Only nationally prominent Democratic figures will be allowed as nominees," William R. Cotter '58, Registration Chairman, declared yesterday. "No Velluccis or Eisenhowers can be nominated."

The convention will have a total of 1354 votes, with 678 needed to win nomination. The votes will be apportioned to individuals in state delegations, according to the total number of convention delegates. Late registration for delegates will be held from 6 to 9:30 tonight, and from 8:30 a.m. to 10 a.m. Saturday.