Architectural motives even were introduced, as frames to the embroidered figures of saints, while sometimes the upper edges of the mitre were ornamented with crockets, and the horns with architectural finials.
For sculpture and various architectural purposes white, fine-grained marble was brought from Paros and Naxos.
For the purposes of scientific topography observation of the natural features and outlines is followed by exact investigation of the architectural structures or remnants, a process demanding high technical competence, acute judgment and practical experience, as well as wide and accurate scholarship. The building material and the manner of its employment furnish evidence no less important than the character of the masonry, the design and the modes of ornamentation.
Since the foundation of the German Institute in 1874, Athenian topography has to a large extent become a speciality of German scholars, among whom Wilhelm DOrpfeld occupies a pre-eminent position owing to his great architectural attainments and unrivalled local knowledge.
The Areopagus is now a bare rock possessing few architectural traces.