[VIII-49] The analysis is as follows:—quartzy sand, 31.00; silex, 13.00; aluminia and iron, 2.60; carbonate of lime, 48.00; magnesia, 2.50; moisture, 2.00; loss, 0.90. Almaraz, Mem., p. 30.
[VIII-50] 'De las dimensiones que usan hoy para hacer los árboles de tierra.' I am unable to say what such dimensions amount to in English measurement.
[VIII-51] A plate showing these paintings is given by Almaraz.
[VIII-52] Burkart, Mexiko, tom. i., p. 51.
[VIII-53] Vetch, in Lond. Geog. Soc., Jour., vol. vii., pp. 1-11, with plate.
[VIII-54] Lyon's Journal, vol. i., pp. 57-61.
[VIII-55] Norman's Rambles by Land and Water, pp. 145-51, 164; Mayer's Mex. Aztec, tom. i., pp. 193-6.
[VIII-56] Lyon's Journal, vol. i., pp. 61-2; Norman's Rambles, pp. 149-50. Slight mention of relics in this region, in Mühlenpfordt, Mejico, tom. ii., p. 72; Bradford's Amer. Antiq., pp. 112-13.
[IX-1] 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.
[IX-2] 'No subsisten de él sino unas grandes ruinas de templo y caserías de cal y canto, situadas en ladera de unos cerritos.' Dupaix, 1st exped., p. 5; Kingsborough, vol. v., p. 211, vol. vi., p. 423.