Memorial Church Service, 11 a.m. The preacher will be the Reverend Carney E.D. Gavin.

Harvard-Radcliffe Hillel Graduate and Young Professional Society. Picnic at the Arnold Arboretum. Meeting place, noon, at the entrance to the Arboretum. Bring your own lunch, frisbee, etc. For more information, call Barry at 232-3231.

July 10--Monday

Tennis: Deadline to enter Summer School Tennis Tournament. Dean's Office, Lehman Hall basement. $1.00 entry fee.

Film: Ukrainian Institute--"Arsenal." 7:30 p.m., Science Center D. Free.

Concert: Chamber Orchestra, directed by Leon Kirchner. Works of Bartok, Messiaen, and Mozart.

July 11--Tuesday

Lecture: "The Chinese Revolution in the 1970s." John K. Fairbank, Francis Lee Higginson Professor of History Emeritus. 4 p.m., Emerson 105. Free.

Films: Dance Center Film Series--Lamentation, Cortege of Eagles, and Appalachian Spring. 7:30 p.m., Science Center D. Free.

July 12--Wednesday

Play: Harvard Summer Repertory Theater--Winterset, by Maxwell Anderson. 8 p.m., Loeb Drama Center. $5, $6, $7.50. Through July 29; Tues.-Fri., 8 p.m., Sat. 5 p.m. and 9 p.m.

July 13--Thursday

Lecture: Dance Center Lecture Series--"Nutrition for Dancers." Dr. Larry Vincent. 2 p.m., Agassiz Living Room. Free.

Lecture/Demonstration: Thursday Speaker Series--Ralph Richey, musician. Featuring flute and fortepiano. 4 p.m., Paine Hall. Free.

Films: Center for Middle Eastern Studies--Shah name, Isfahan of Sha Abbas, Al-Andalus. 7:30 p.m., Science Center D. Free.