Immediately before Rosales was to speak,Kashani said he saw a student "collecting spit inhis mouth" for the purpose of spitting it atRosales. Kashani said he pointed the camera at himand said, "Just swallow." The student "swallowedand smiled," Kashani said.

Outside the auditorium, officials searchingbags and checking for Harvard College or GraduateSchool of Arts and Sciences (GSAS) identificationcards confiscated a plastic bottle full of a"sticky red liquid" which one man had apparentlybrought to throw at Rosales, Kashani said.

Admission was restricted to students in theCollege and the Graduate School. Epps had earliersaid that graduate students would be excluded, butthat decision was reversed.

The demonstrators who threw eggs and fake bloodat Rosales on April 2 and prevented him fromgetting beyond the third sentence of his speechidentified themselves as members of loosely-boundpolitical group and are not believed to haveincluded Harvard students.

Before Wednesday's event, nearly 75 protesters,most of whom were members of the Harvard studentgroup called the Committee on Central America(COCA), marched in a circle outside Science CenterD. The protesters shouted "U.S.A., C.I.A. out ofNicaragua," and distributed a flyer describingalleged contra atrocities.

Contra Says

The contras, who President Reagan describes as"freedom fighters," consist of three majorfighting units, including the FDN. The bill togrant aid to the contras was defeated in the Houseof Representatives but passed the Senate. It isagain pending debate in the House