At the Cerro de las Navajas, near Monte Jacal, about midway between Real del Monte and Tulancingo, are the mines or quarries from which the natives of Anáhuac are believed to have obtained the large quantities of obsidian used by them in the manufacture of their implements and weapons. The mines are described as openings three or four feet in diameter and one hundred and ten to one hundred and forty feet in extent, probably horizontal, with side drifts wherever the obsidian is of a desirable quality and most abundant. Large quantities of the material are found in fragments of different shapes and sizes, which throw some light on the manner in which the Aztecs manufactured their knives and other implements.[IX-92] In the vicinity of Actopan, at Mixquiahuala, we are told in a Mexican government report already often quoted, that clay relics are frequently discovered.[IX-93] At Atotonilco el Grande, south of Guautla, Mr Burkart found pieces of obsidian of many-sided pyramidal form, from which knives had apparently been split off by the natives in ancient times. The art of working this intractable material has been practically lost in modern times.[IX-94]

At Zacualtipan, in the north-eastern portion of Mexico, a very peculiar monument is described, consisting of a house excavated from a single stone. A doorway on the south, with columns at its sides, leads to an apartment measuring about twelve by seven and a half feet, and ten feet and a half high. The room contains the remains of a kind of altar and a sculptured cross. A stone bench extends round the sides, being two feet high and one foot wide. This main room is connected by a doorway on the west with another very narrow one, in the south end of which is what is described as a kind of stone bed measuring three by six feet, all of the same stone. Another stone near by has a bath, so-called, and still another, known as Caparrosa, has an inscription painted in red. These remains are of so extraordinary a character, that in the absence of confirmation the report must be considered doubtful or erroneous. At Tecomal, north of Lolotla, a stone is mentioned six feet high, which has six steps leading up to the summit, where is an oval hole a yard and a half deep.[IX-95] At Monte Penulco Mr Latrobe speaks of some remains probably of Spanish origin, like many others that are attributed to the antiguos.[IX-96]

Near San Juan de los Llanos, in the extreme north-eastern part of the state, some forty leagues from the city of Mexico, the existence of a ruined city was reported late in the eighteenth century on apparently good authority; but I find no later mention of it. The description bears some resemblance to that of Metlaltoyuca, discovered in 1865, just across the line in Vera Cruz, twenty-five or thirty miles north-east from San Juan. The two groups of remains may be identical, or the earlier report may refer to other monuments, many of which very probably exist yet undiscovered in that densely wooded district. The ruined city near San Juan was described in 1786, by Sr Cañete, as covering an area of one league by three fourths of a league, surrounded by walls of hewn stone laid without mortar, five to eight feet high and very thick. A street running from east to west was paved with volcanic stone, worn smooth, and guarded by battlements, or side walls. Several ruined temples, sculptured blocks of stone, stone metates and other implements, stone statues of men and animals—including a lion—were found here, but all of a rather coarse workmanship. A tall pine was growing on the summit of one of the temples, and there seemed to be some evidence that the town had been abandoned for want of a supply of water.[IX-97]

REMAINS AT TULA.

Earthen Vase—Tula.

At Tula, north-west of the city of Mexico, the ancient Tollan, the Toltec capital, we are told that extensive ruins remained at the time of the Conquest,[IX-98] but very few relics have survived to the present time, although some of the few that have been found here are of a somewhat extraordinary character. The cut shows both sides of an earthen vase from Tula, which, as Mayer says, is "of exquisitely grained and tempered material, and ornamented with figures in intaglio, resembling those found on the monuments in Yucatan."[IX-99] Villa-Señor y Sanchez, one of the early Spanish writers, names Tula as one of the many localities where giants' bones had been found.[IX-100] A commission from the Mexican Geographical Society, composed of Drs Manfred and Ord,—the latter an old resident of California, who takes a deep interest in the antiquities and history of the Pacific States—with Mr Porter C. Bliss,—whose large collection of Mexican works, with some curious relics of antiquity, has been lately added to my library—and Sr García y Cubas, made an exploration of Tula and vicinity in 1873, bringing to light some interesting monuments, of which an illustrated account was published in the Boletin of the society. The cut shows a very curious double column of basalt, somewhat over eight feet high. The sculptured knots are interpreted by the commissioners mentioned as the tlalpilli, or periods of thirteen years. None of them occur on the reverse of the column. Other relics discovered by this party included half of what seemed to be a kind of calendar-stone, a large animal in basalt or monster idol, and some hieroglyphic sculptures on the cliff of the Cerro de la Malinche. There were also found the three fragments shown in the cut, which are interesting as showing an aboriginal method of forming columns not elsewhere met with in America, a round tenon on one part fitting closely into a hole in the next. The largest of the three parts shown is four feet long and two and three fourths feet in diameter. The material is basalt and the sculpture is said to be well done. Most of the Tula relics were found at the Cerro del Tesoro, west of the modern village.[IX-101]