The third island, which is surrounded by an ocean of clarified butter and is also divided into seven regions, is called Kuśadvīpa. Its master is Hiraṇyaretā, another son of Mahārāja Priyavrata, and its inhabitants worship the Supreme Personality of Godhead in the form of Agni, the fire-god. The width of this island is 6,400,000 miles, or, in other words, twice the width of Sālmalīdvīpa.
The fourth island, Krauñcadvīpa, which is surrounded by an ocean of milk, is 12,800,000 miles wide and is also divided, like the others, into seven regions, each with a large mountain and a large river. The master of this island is Ghṛtapṛṣṭha, another son of Mahārāja Priyavrata. The inhabitants of this island worship the Supreme Personality of Godhead in the form of water.