All the fortresses and castles conquered were adorned with mosques, wherein divine worship was performed according to the true faith, and in the name of Sultan Mohammed IV., whose reign may God perpetuate. Here I conclude my historical account of the sultáns, and their vezírs and muftís, from Mohammed II. to Murád IV., who are all buried at Constantinople. Having digressed a little, by giving an account of the statistics and principal historical events, I shall now resume my description of the imperial mosques of Constantinople. _Description of the Mosque of the Válideh._ This building was undertaken, at an immense expense, by the Sultáneh Válideh, the mother of Mohammed II.; but at her death it remained unfinished, and fell into decay. It was then called _zulmíeh_ (the dark); but, when the Válideh was travelling in the country, after the burning of Constantinople, the foundations were cleared of the rubbish, and the sultán, devoting five thousand purses from his own treasury, ordered the building to be completed. It was then called _a’dlíeh_ (the just). It is now the tenth of the imperial mosques of Constantinople, and is situated between the Shahíd Kapú-sí (gate of martyrs) and the Bálik Bázár (fish market), in the quarter of the Jews, whose houses, by the divine permission, being burnt down, themselves were banished from the spot, and the ground occupied by their houses was added to the court and market of the mosque, which was completed in ten years, and was properly called a’dlíeh instead of zulmíeh. The north of the building looks towards the walls of the city, and on the south is the great court (haram). The cupola, from its base to the top, measures no less than seventy yards. The whole is built upon an elevated pavement, which is ascended on four sides by flights of steps. The mosque is built in the same style as the mosque of the Princes, and that of Sultán Ahmed I. in the At-maidán; four small semi-cupolas support the centre one, which is besides supported by four large columns. The mahfil of the moazzíns is elevated by small columns; and the mahfil of the emperor is on the left hand, made of the most exquisite marble-work. One of its columns occasioned the death of Yúsuf Páshá, the conqueror of Egypt. Some informers accused him of having in his possession a pillar of pure gold, which, however, upon examination was found to be only of yellow stone; but this discovery was made when it was too late; and this valuable column, which shines brighter than gold, was put under the emperors mahfil. The building is well lighted by a great number of windows, and at night by lamps. The mehráb (recess) and mimber (pulpit) are of fine variegated stone. The gates are five in number; two side gates, one for the imám, one for the khatíb, and the fifth facing the mehráb. The rich trappings and ornaments suspended in the mosque are unequalled, not only in any mosque in Constantinople, but throughout the dominions of the Islám.