Yakkun nattannawā : 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 Budhist: and Kōlan nattannawā: a Cingalese poem, descriptive of the characters assumed by natives of Ceylon in a masquerade : translated by John Callaway : illustrated with plates from Cingalese designs