Note 14 — Chapter XXXIV · ON THE WAY BACK TO PATNA. VÂRÂṆASÎ, OR BENÂRES. ŚÂKYAMUNI’S FIRST DOINGS AFTER BECOMING BUDDHA.
James Legge translation
Dr. Davids thinks this may refer to the striking and beautiful story of the conversion of the Yakkha Âḷavaka, as related in the Uragavagga, Âḷavakasutta, pp. 29–31 (Sacred Books of the East, vol. x, part ii).