Original: I/O. The Captain is to have two full Shares; the Quartermaster is to have one Share and one Half; The Doctor, Mate, Gunner and Boatswain, one Share and one Quarter.
Simplified: I/O. The Captain is to have two full Shares; the (quarter) Master is to have one Share and one Half; The Doctor, Mate, Gunner and Boatswain, one Share and one Quarter.