[18-[+]] Ibid. Lib. IV., cap. XII.

[19-*] Travels in Cent. Am., Chiapas and Yucatan. By J. L. Stephens. New
York, 1858. vol. II., page 403.

[19-[+]] _Geographia de las Lenguas y Carta Ethnographica de Mexico._ By
Manuel Orozco y Berra, Mexico, 1864, p. 100. Ibid. p. 115. _Quadro
descriptivo y comparativo de las Lenguas indigenas de Mexico._ By D.
Francisco Pimentel. Mexico, 1865. Tom. 11, p. 36.

[21-*] Incidents of Travel in Yucatan, Stephens, vol. II., page 445.
History of the Conquest of Mexico, Prescott, vol. III., page 370.

[21-[+]] Incidents of Travel in Yucatan, vol. I., page 323.

[23-*] Incidents of Travel in Yucatan, Stephens, vol. I., page 212.

[23-[+]] _Historia de Yucatan._ Cogolludo. Lib. III., Cap. XI.

[24-*] _Historia de Yucatan._ Cogolludo. Lib. III., Cap. VII.

[25-*] History of the Conquest of Mexico. Prescott, Vol. III., page 294.

[29-*] _Collection des Memoires sur l'Amerique, Recueil des Pieces sur
le Mexique trad., par Ternaux-Compans_, p. 307.

[32-*] The Native Races of the Pacific States of North America. By
Hubert H. Bancroft. San Francisco, 1875. Vol. II., page 780.

[33-*] _Relation des choses de Yucatan._ By Diego de Landa, Paris, 1864,
pp. 44, 316.

[34-*] _Historia de Yucatan._ Cogolludo. Lib. VI. Appendix A, 1.

[35-*] Description of an ancient city near Palenque. Page 32.

[35-[+]] Prescott's Conquest of Mexico. Vol. I., page 101.

[36-*] The Native Races of the Pacific States. By Hubert Howe Bancroft.
Vol. II., page 771.

[44-*] _Historia de Yucatan._ Cogolludo. Lib. III, cap. VII.

[45-*] North American Review. Boston, April, 1876. No. 251, page 265.

[48-*] Remarks on the centres of ancient civilization in Central
America, and their geographical distribution. Address before the
American Geographical Society, by Dr. C. Hermann Berendt. New York,
1876.

DR. LE PLONGEON IN YUCATAN.

HIS ACCOUNT OF DISCOVERIES.

DR. LE PLONGEON IN YUCATAN.

THE DISCOVERY OF A STATUE CALLED CHAC-MOOL, AND THE COMMUNICATIONS
OF DR. AUGUSTUS LE PLONGEON CONCERNING EXPLORATIONS IN THE YUCATAN
PENINSULA.

[Proceedings of the American Antiquarian Society, April 25, 1877.]

The most perfect remains of a high degree of early civilization on this
continent are to be found in ruins in the central portions of America.
Proofs of the extraordinary advancement of the inhabitants of those
regions, in architecture and art, at an early period, are