--E--First meeting of Monday and Wednesday night classes, 6 p.m.--8:30 p.m., Students are encouraged to visit classes before registering.

Pre-College Program orientation, 8:00 p.m., Science Center B. All pre-college students must attend.

June 27--Tuesday

8D--Last day to register without late fee, 8 a.m.-12:30 p.m., 1:30 p.m.-4 p.m., Memorial Hall. Placement tests (with $10 late fee): Language, 4 p.m., Emerson 105; Mathematics, 4:30 p.m., Emerson 210.

8E--First meeting of Tuesday and Thursday night classes, 6 p.m.-8:30 p.m.

Film: Dance Center Film Series--Red Detachment of Women. 7:30 p.m., Science Center D. Free.

Play: Harvard Summer Repertory Theater--Major Barbara, by George Bernard Shaw, 8 p.m., Loeb Drama Center, 64 Brattle St. $5, $6, $7.50. Through July 8; Tues.-Fri. at 8 p.m., Sat. at 5 p.m. and 9 p.m.

June 28--Wednesday

8D--File final study card and pay bill, Memorial Hall. (Registration permissible with $10 late fee).

8E--Registration. File final study card and pay bill, 7-10 p.m., Memorial hall.

4I--Last day for study program changes or withdrawal (with complete adjustment of tuition and laboratory fees), 9 a.m.-12:30 p.m., 1:30-4 p.m., 20 Garden St. Last day to change a non-credit or audit course to credit, or to change from one credit course to a new credit course.

Yard Punch: Music and refreshments. 3:00 p.m. on Memorial Church steps. Free.

Rehearsals: Harvard Summer Pops Band. Open to all wind and percussion instrumentalists without audition. Rehearsals every Wednesday night. 7:15 p.m., Sanders Theater.

Auditions: Summer School Chorus. Singers should have a short piece prepared and should bring his/her own music. 7-10 p.m., Sever 11.

June 29--Thursday