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