THE moment you pass the hills forming the watershed between the rivers flowing to the Mediterranean and those which debouch into the Bay of Biscay, you become aware of having left the style we have just been describing to enter upon a new architectural province. This province possesses two distinct and separate styles, very unlike one another both in character and detail. The first of these is a round arched tunnel-vaulted Gothic style, more remarkable for the grandeur of its conceptions than for the success with which those conceptions are carried out, or for beauty of detail. The second is a pointed-arched, dome-roofed style peculiar to the province. [Illustration: 562. Plan of St. Front, Périgueux. (From F. de Verneilh, ‘Architecture Byzantine en France.’) Scale 100 ft. to 1 in.] The existence of this peculiar form of art in this part of France, where it is alone found, is quite sufficient to establish the pre-existence in this province of a race differing from that inhabiting the rest of the country, though it is not at present easy to determine their origin. From the prevalence of Basque terminations to the names of the principal towns in the district, and from the fragments of that people still existing on its southern frontier, it would appear most likely that they were the influencing race. If so, their love of domes would be almost sufficient to establish their claim to a Turanian origin, for though domes are found, no doubt, farther north, it is in a modified form. These phenomena are, however, sufficient to induce us to include for the present in the province of Aquitaine the doubtful districts of the Angoumois and Vendée, though it is possible that these provinces may eventually turn out to belong more properly to Anjou. In describing them, it may be convenient to take the domical style first, as its history—with one or two exceptional examples in the neighbouring provinces—begins and ends here. It will, no doubt, be found beyond the Pyrenees so soon as it is looked for; but in a country whose architecture has been so imperfectly investigated as has been the case in Spain, fifty different styles might exist without our being cognizant of the fact. [Illustration: 563. Part of St. Front, Périgueux. (From Verneilh.)] The principal and best preserved example of the domical style of Aquitaine is the church of St. Front, Périgueux. As will be seen from the woodcut No. 562, its plan is that of a Greek cross, 182 ft. each way internally, exclusive of the apse, which is comparatively modern, and of the ante-church and porch, shaded darker, extending 150 ft. farther west, which are the remains of an older church, now very much mutilated, and to which the domical church was added in the 12th century.