[85] Velasco, Lib. ii. § 4, sec. 17; Ph. H. Külb in Widenmann and Hauff's "Reisen u. Länderbeshreibungen," Lief, xxvii.: Stuttgart, 1843, pp. 186-7.
[86] Acosta, Lib. v. cap. iv.; Velasco, Lib. ii. § 4, sec. 16; Prescott, Bk. i. chap. iii.; Külb, ibid.
[87] Prescott, ibid. In cloudy weather they had recourse to the method of friction.
[88] Prescott, ibid.
[89] Arriaga, pp. 17, 32; Külb, ibid.
[90] Cf. Arriaga, pp. 10-17, &c. (cf. Ternaux-Compans, Vol. XVII. pp. 13, 14).
[91] Acosta, Lib. v. cap. v.; Velasco, Lib. ii. § 3, sec. 2; Arriaga, ibid.
[92] Tschudi, Vol. II. pp. 396-7.
[93] Arriaga, p. 18 (cf. Ternaux-Compans, Vol. XVII. p. 15).
[94] Cf. Arriaga, pp. 10-17 (cf. Ternaux-Compans, Vol. XVII. pp. 13, 14); Acosta, Lib. v; cap. v.; Montesinos, pp. 161-2; Velasco, Lib. ii. § 3, sec. 1.