Note IX-1 — Chapter IX · ANTIQUITIES OF THE CENTRAL PLATEAUX.
Reading edition
Dupaix, 2d exped., p. 14, pl. xviii., fig. 53-4; Kingsborough, vol. v., p. 243, vol. vi., p. 442, vol. iv., pl. xvi., fig. 53-4; Lenoir, in Antiq. Mex., tom. ii., div. i., p. 47.