ANDREE, RICHARD. Sur une ancienne mosaique mexicaine. _Congrès International des Américanistes, Compte-rendu de la septième session_, Berlin, 1888. Berlin. Describes the Gotha specimen (pp. 146-148). HEGER, FRANZ. Sur quelques objets archéologiques du Mexique et de l’Amérique du Sud. _Congrès International des Américanistes, Compte-rendu de la septième session_, Berlin, 1888, pp. 93-97. The author describes (p. 94) one of the mosaic pieces in the Vienna Museum. In the discussion of this paper, Seler (p. 104) identifies the animal-like figure as representing the god Xolotl. 1892 PI Y MARGIL, FRANCISCO. Historia de la América antecolombiana. Tomo primero, segunda parte. Barcelona. Two colored illustrations (opposite p. 1214) of the mosaic-handled knife in the British Museum. HEGER, FRANZ. Altmexikanische Reliquien aus dem Schlosse Ambras in Tirol. _Annalen des K. K. Naturhistorischen Hofmuseums_, B. VII, Heft 4, pp. 310-400, pl. XVIII, XXII. Vienna. In this paper Dr. Heger describes and illustrates the shield and animal head (three views) of turquois mosaic in the Vienna Museum. 1895 READ, CHARLES HERCULES. On an ancient Mexican head-piece coated with mosaic. _Archæologia_, vol. LIV, 16 pp., pl. XXVIII, fig. 1-6, London. Gives in colors and describes for the first time the mosaic head-piece, and illustrates all but one of the eight other pieces, in the British Museum. 1896 OPPEL, A. Die altmexikanischen Mosaiken. _Globus_, Bd. LXX, Nr. 1 (June), pp. 4-12, 15 fig., Braunschweig. Figures seven mosaic pieces in the British Museum, five pieces in Rome, one piece in Berlin, a piece in Gotha, and a section of the shield in Vienna. 1903 PEÑAFIEL, ANTONIO. Indumentaria Antigua Mexicana. Vestidos Guerreros y Civiles de los Mexicanos. Mexico. Dr. Peñafiel, in chapter XXIII, under the heading “Incrustaciones de Mosaico,” describes some of the mosaic pieces in Europe which he states are the most important specimens. “Of this class of works the Museo Nacional (Mexico) can count as having only one, in the statue of Coatlicue coming from Tehuacan.” On pl. 26 are given the British Museum knife, and the two knife-handles in Rome; on pl. 117 one of the masks in Rome; on pl. 118(A) the skull mask in Berlin, and (B) the mask in Rome; pl. 123 is the femur musical instrument in Rome; and pl. 168 restorations of the knife-handle specimens with blades, in Rome. These illustrations are all in colors, excepting the last. 1906 BUSHNELL, DAVID I., Jr. North American ethnographical material in Italian museums. _American Anthropologist_, N. S., vol. VIII, Lancaster, Pa. On pp. 245-246 the author briefly describes the five mosaic pieces in Rome, and regarding one of the masks (our pl. VII, _a_) quotes from the inventory of the Guardaroba Medicea, 1553, showing the specimen to have been in the Medici collection.