A short treatise of five chapters on Abhidhamma topics.
It was written by Culladhammapála. (Gv.60, 71, 75; SaS.89; Svd.1220).
The Saddhamma-Sangaha (p. 64) attributes it to Dhammapala's teacher, Ananda. Vácissara and Sumangala wrote tíkás on it, the first being older than the second. P.L.C.203f.