Buddhist Dictionary of Pali Proper Names by G P Malalasekera
catuposathika
Catuposathika:The first section of the Vidhurapandita Jātaka.
It relates how Sakka,the Nāga king,the Garula king,and Dhanañjaya Koravya,practised various virtues and asked Vidhura to judge as to their respective goodness.J.vi.262.