sentences:  He explains that sixteenth century map-makers "enlarge(d) … important sections of their charts," such as this bay, hence its exaggerated size.The Vallard map original also shows two large islands in the bay and seven islands just outside the mouth of the bay.Trickett identified the islands inside the bay as Bare Island and a large mudflat, drying out at low tide, which he believed appeared as a large island to the Portuguese explorers.