“ The university also maintains a summer session of six weeks in which are offered courses that are accepted as partial fulfillment of the requirements of certain academic degrees and diplomas. There is also a system of extension teaching for men and women who are engaged in teaching and can give only a portion of their time to study. The property of the university is valued at about $72,000,000, of which about $35,000,000 has been added by gift or bequest in the past twenty years. ”