JOHN H. MORRISON III*John H. Morrison 111, son oi Mr. and Mrs. John H. Morrison. Jr., of 29 East Conkling avenue, was graduated Friday from Massachusetts Institute of Technology, Boston, with a bachelor of science and tomorrow receives his master of arts from Harvard University s Graduate School of Education.Mr. Morrison will be a counselor at Sky Valley Ranch, Buena Vista. Colo., for the summer, and has taken a position as teacher of mathematics and science at Watehung Hill School, Plainfield, N. Jā foi next year.His brother, Edward W. Morrison, will be a counselor at the same ranch this summer. Their sister, Miss Cynthia Morrison, was graduated Tuesday at Orange County Community College.