[37] The Mappe Tlotzin once formed a part of the Boturini collection; it was afterward acquired by Aubin, later by Goupil, and is now in the National Library in Paris. It has been published in colors (pl. i-iii) in Mémoires sur la Peinture Didactique et l’Écriture Figurative des Anciens Méxicains, par J. M. A. Aubin, with an introduction by E. T. Hamy, Paris, 1885. The pictures referred to are on pl. ii. [38] Eduard Seler, L’Orfèverie des Anciens Mexicains et leur Art de Travailler la Pierre et de Faire des Ornements en Plumes, _Compte rendu de la VIIIᵉᵐᵉ Session du Congrès International des Américanistes_, Paris, pp. 401-452. The chapter on the art of the lapidaries is on pp. 418-425. The article, with slight changes in the French translation of the Nahuatl text, and some revision, is included in Seler’s Gesammelte Abhandlungen zur Amerikanischen Sprach- und Alterthumskunde, Zweiter Band, pp. 620-663, Berlin, 1904. The section on the lapidaries’ art is on pp. 635-640. [39] Sahagun, op. cit., tomo II, lib. 9, cap. XVII, pp. 389-391. [40] The goddess is figured in the numerous examples of the tonalamatl in the various codices, of which facsimiles are to be found in all important libraries. [41] The Tonalamatl of the Aubin Collection. An Old Mexican Picture Manuscript in the Paris National Library. Published at the Expense of his Excellency the Duke of Loubat. With Introduction and Explanatory Text by Dr. Eduard Seler. Berlin and London, 1900-1901, p. 115. [42] The Codex Borbonicus is in the National Library, Paris. It was published in exact facsimile, with an introduction by Dr. E. T. Hamy, Paris, 1899. The scene referred to is on p. 18 of the Paris reproduction. [43] The important Codex Telleriano Remensis was published in facsimile, with an introduction by E. T. Hamy, by the Duke of Loubat, Paris, 1899. The illustration referred to is on p. 22 verso, of the plates. [44] Seler, op. cit. (Note 41), p. 118. [45] Kingsborough, vol. VI, p. 129. [46] Sahagun, see reproduction of Troncoso, estampa x, fig. 34. [47] Codex Borbonicus, p. 18. [48] Tonalamatl Aubin, op. cit., pl. 18. [49] Seler, op. cit., pp. 114-118. [50] This quotation is from the Libro de Oro y Tesoro Indico, a precious manuscript in the library of the late Joaquín García Icazbalceta. Icazbalceta writes as follows about the author: “We do not know who was Fr. Andrés de Alcobiz, who in the year 1543 collected in Spain these laws of the Mexicans. It is published in _Nueva Colección de Documentos para la Historia de México_, tomo III, p. 313, Mexico, 1891. [51] Saville, Goldsmith’s Art in Ancient Mexico, p. 119. [52] Anonymous Conqueror, translated by Marshall H. Saville, publication of the Cortes Society, no. I, pp. 65-67, New York, 1917. [53] Obras Históricas de Don Fernando de Alva Ixtlilxochitl, tomo I, Historia Chichimeca, cap. XXXVI, p. 180, published in Mexico in 1892 under the editorship of Dr. Alfredo Chavero.