"We find in the Alhambra the speaking art of the Egyptians, the natural grace and refinement of the Greeks, the geometrical combinations of the Romans, the Byzantines, and the Arabs. The ornament wanted but one charm, which was the peculiar feature of the Egyptian ornament, symbolism. This the religion of the Moors forbade; but the want was more than supplied by the inscriptions, which, addressing themselves to the eye by their outward beauty, at once excited the intellect by the difficulties of deciphering their curious and complex involutions, and delighted the imagination when read, by the beauty of the sentiments they expressed and the music of their composition. To the artist and those provided with minds to estimate the value of the beauty to which they gave a life, they repeated _Look and Learn_." It is not, of course, from the study of the monuments of one period, or of one locality, that any accurate idea is to be formed of the Architecture of any races, whose national history and whose dominion have extended for many centuries over many lands. Nor, indeed, is a just appreciation of the artistic value of the system of Art, sectionally studied, to be arrived at until the student has compared it with its antecedents in its own and other localities. Such works, therefore, as offer to the inquirer means for instituting studies of the nature alluded to, acquire peculiar value, although necessarily incomplete for sectional study. The student of Oriental Architecture, from this point of view, has been laid under a debt of gratitude by M. Girault de Prangey,[36] whose works enable him to obtain a fair idea of the varieties of style practised by the Mahommedan races in Asia Minor, Syria, Egypt, Spain, Sicily and Barbary. Through all these there evidently runs a harmony of system, but not the less clearly have we to recognize an endless variety of detail, and an incessantly changeful development--reaching its climax certainly in the Alhambra at Granada. [Illustration: PLATE 68 GRANADA. PUERTA DE JUSTICIA. MDW 1869] PLATE LXVIII. _GRANADA._ PUERTA DE JUSTICIA. WENDING his way upwards through the beautiful "Bosqué," it is on arriving at the celebrated "Gate of Justice"[37] that the traveller first finds himself face to face with the Moor, and his wise and patriarchal habits, as well as his inherent love for the beautiful. Within these venerable walls once sat the Monarch, as Solomon sat, to administer justice to the poorest, as to the richest, of his subjects. On the side shown to the outer world the archway wears the stern features of the fortress; while on the inner side, the one shown in my sketch, there are traces of a beauty and richness suitable to the Palace to which it led. What is most remarkable architecturally about this Gateway is, firstly, the ingenuity of its plan for resisting surprise in attack; and, secondly, the beauty of the coloured tiles by which its inside elevation is decorated.