In the southwestern corner of the cathedral, inlaid in the exterior wall, is the celebrated calendar stone of the ancient Mexicans. It is a huge mass of gray porphyry, having a circular face seven feet in diameter, on which the figures that represent the months are sculptured in relief. In the centre is a head, from the mouth of which water seems to flow—surrounded by two circles, a large and a small one—the latter divided into twenty parts, with hieroglyphics which designate the twenty months of eighteen days each, into which the Mexican year was divided. The remainder of the face is ornamented with figures in relief.

The Palace, filling the eastern side of the Plaza, occupies a square of six hundred and sixty feet by six hundred, within which space are comprised the residence of the president, the offices of the different departments of the government, the senate chamber and that of the deputies, the mint, prison, botanic garden, and the barracks of a regiment of infantry. On this spot Cortes fixed his residence after the capture of the city; but he exchanged it subsequently for the site of Montezuma's palace, on which now stands the Casa de Estado, the family mansion of the conqueror. This classic ground is to the west of the cathedral, fronting it; and the space, believed to have embraced the residence of the Mexican kings, is a square of about six hundred feet. On the northern side of this square passes the street running west, Calle de Tacuba, by which Cortes retreated on the memorable noche triste (unfortunate night) when he was driven from Tenochtitlan, or Tenictitan, as Cortes writes the name of the ancient city.

The botanic garden occupies an inner patio, or court of the palace, and is altogether unworthy of the celebrity which it has obtained in foreign countries. It is confined and crowded. Collections of seeds sold by the superintendent at high prices, have, to the great chagrin of foreigners, been found invariably to comprise the most ordinary plants, when the most rare and valuable were promised to the purchasers. An additional garden has been laid out recently at Chapoltepec. There are two tall trees of the Manitas, in the botanic garden—all, with the exception of one at Toluca, that are said to be growing in the republic. The Professor of Botany, Don Vicente Cervantes, informed me that it is a common tree in Guatemala. The flower is exceedingly beautiful, of a bright scarlet color; its supposed resemblance to a hand, gives the name to the trees, Arbol de las Manitas—but it is far more like a bird's claws.

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Less than a league from the city to the west, is the porphyritic rock of Chapoltepec,4 which rises one hundred and sixty feet above the plain. On its summit is a palace or castle built by the Viceroy Galvez, but never finished. Towards the city it bears the appearance of a fortress, and the work is so constructed as to withstand a siege. The founder, no doubt, had it in view in its construction, as the resort of the Viceroy in case of insurrection among the people, of which there had been several instances. The view of the city and plain of Mexico from this spot, is remarkably beautiful. Baron Humboldt, whose enthusiasm sometimes led him to extravagance, thus eloquently describes it:5 "Nothing can be more rich and varied than the picture which the valley presents, when, on a fine summer's morning, the heaven being cloudless and of that deep blue which is peculiar to the dry and rarified air of high mountains, we ascend one of the towers of the Cathedral of Mexico, or the hill of Chapoltepec. A beautiful vegetation surrounds this hill. The ancient trunks of cypress, of more than fifteen or sixteen metres6 in circumference, divested of foliage, rise above those of the schinus, which, in figure, resemble the weeping willows of the east. In the depth of this solitude, from the top of the porphyritic rock of Chapoltepec, the eye overlooks a vast plain with well cultivated fields, which extend even to the foot of the colossal mountains, covered with perpetual ice. The city seems washed by the waters of the lake of Tescuco, whose basin, surrounded by villages and hamlets, reminds one of the most beautiful lakes of the mountains of Switzerland. Long avenues of elms and poplars lead on all sides to the capital. Two aqueducts, constructed upon lofty arches, cross the plain, and present an aspect both agreeable and interesting. To the north is seen the magnificent convent of Our Lady of Guadalupe, with the mountains of Tepexacac behind it, among ravines which furnish shelter to dates and tufted yuccas. To the south, the whole country between San Angel, Tacubaya, and San Agustin de las Cuevas, appears an immense garden of oranges, peaches, apples, cherries, and other European fruit trees. The beautiful cultivation is contrasted with the savage aspect of the bald mountains which enclose the valley, and among which are distinguished the famous volcanoes of Puebla, the Popocatepetl, and Iztaccihuatl. The first forms an enormous cone, whose crater, constantly inflamed, throwing out smoke and ashes, opens in the midst of eternal snows."

4 Chapoltepec signifies the mountain of grasshoppers; from Chapolin, a grasshopper, and tepetl, mountain.

5 Vol. 2, Book 3, c. 8.

6 About fifty English feet.

A less enthusiastic spectator would subtract many of its beauties from this glowing description, and still could not fail to admire—to admire much and long, the prospect from Chapoltepec. He would see a fine city, with its sixty domes and twice as many towers, but the lake of Tescuco is too distant and indistinct to seem to wash it with its waters—and he would look in vain for the villages and hamlets that surround it. The fruit trees of Tacubaya, San Angel and Agustin exist, but unfortunately are not seen. These villages are situated on the southwestern border of the plain, and abound in orchards, but these are shut from view by high stone walls. With like disappointment he would look towards the smoking volcano of Puebla; the Popocatepetl does indeed smoke, but the smoke is indiscernible except from the mouth of the crater itself—nor has it been known to throw out ashes since 1665, when it continued to discharge for four days. In other respects the preceding description is not too highly wrought.

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