Complex sentence: He graduated B.A. in 1575--6, M.A. in 1579, and was on 17 Dec.1580 instituted to the rectory of South Shoebury, Essex, on the presentation of Robert Rich, 1st Earl of Warwick.
Split into simpler sentences: He graduated B.A. in 1575--6, and M.A. in 1579. He was on 17 December 1580 instituted to the rectory of South Shoebury, Essex, on the presentation of Robert Rich, 1st Earl of Warwick.