Note IX-5 — Chapter IX · ANTIQUITIES OF THE CENTRAL PLATEAUX.
Reading edition
Dupaix, 1st exped., pp. 3-4, pl. i.-ii., fig. 1, 2; 2d exped., p. 51, pl. lxi., fig. 117; Kingsborough, vol. v., pp. 209-10, vol. vi., pp. 421-2, vol. iv., pl. i., fig. 1-4; Lenoir, in Antiq. Mex., tom. ii., div. i., pp. 22, 25-6, 63.