[IX-109] Ballesteros, in Soc. Mex. Geog., Boletin, 2da época, tom. iv., pp. 774-8.
[IX-110] Fossey, Mexique, pp. 213-14.
[IX-111] Mayer's Mex. as it Was, pp. 31-2, 84-5, 87-106, 272-9; Id., Mex. Aztec, etc., vol. ii., pp. 265-74; Id., in Schoolcraft's Arch., vol. vi., pl. i.-vii.
[IX-112] Humboldt, Vues, tom. i., pp. 51-6, plate of front and rear; Id., in Antiq. Mex., tom. i., div. ii., pp. 9-10, suppl., pl. i. Remarks on the statue by Visconti, in Id., p. 32; Plates in Larenaudière, Mex. et Guat., pl. xxviii., p. 48; Prescott, Hist. Conq. Mex., tom. i., p. 389; and Delafield's Antiq. Amer., p. 61.
[IX-113] See [p. 382], for a cut of a similar article.
[IX-114] Tylor's Anahuac, pp. 95-103, 110, 195, 225-6, 235-6.
[IX-115] Waldeck, Palenqué, p. viii., pl. xliv.; Tylor's Anahuac, pp. 110, 337-9. Mr Tylor notes that in an old work, Aldrovandus, Musæum Metallicum, Bologna 1648, there were drawings of a knife and wooden mask with mosaic ornamentation, but of a different design.
[IX-116] Prescott, Hist. Conq. Mex., tom. iii., p. 70, pl. xiii.; Chavero, in Gallo, Hombres Ilustres, tom. i., pp. 146-7; Gilliam's Trav., pp. 44-5.
[IX-117] Prescott, Hist. Conq. Mex., tom. iii., pp. 82, 87, 99, 101, pl. xv.-xx.
[IX-118] Soc. Géog., Bulletin, tom. v., No. 95, p. 116, No. 98, p. 283, et seq.; Warden, in Antiq. Mex., tom. i., div. ii., pp. 36-40.