Yakkun Nattanawā: A Cingalese Poem : Descriptive of the Ceylon System of Demonology. To which is Appended the Practices of a Capua Or Devil Priest : as Described by a Buddhist. And Kōlan Nattanawā : a Cingalese Poem : Descriptive of the Characters Assumed by Natives of Ceylon in a Masquerade