ARCUEIL, a town in France, department of Seine, on the Bievre, 23-m. N.E. of Sceaux. Pop. 1931) 16,124. The town takes its name from a Roman aqueduct, the Areas Iuliani (Ar culi), traces of which still remain. In 1613-24 a bridge-aqueduct over 1,3ooft. long was constructed to convey water from the spring of Rungis, 4m. S. of Arcueil, across the Bievre to the Luxembourg palace in Paris.
In 1868-72 another aqueduct, still longer, was superimposed to help convey water from the river Vanne to Paris. The two together reach a height of about 135ft. Bleaching, and the manu facture of bottle capsules, patent leather and other articles are carried on at Arcueil; and there are important stone-quarries. ARCULF, a Frankish bishop and pilgrim-traveller, who vis ited the Levant about 68o, and was the earliest Christian traveller and observer of any importance in the Nearer East after the rise of Islam. On his return he was driven by contrary winds to Britain, and so came to Iona, where he related his experiences to his host, Adamnan Abbot of Iona, 679 to 704. The narrative of his journey, as written by Adamnan, was presented to Aldfrith the Wise, last of the great Northumbrian kings, at York about 7o1, and came to the knowledge of Bede, who inserted a brief summary of it in his Ecclesiastical History of the English Nation, and also drew up a separate and longer digest which obtained great popu larity throughout the middle ages as a standard guide-book (the so-called Libellus de locis sanctis) to the holy places of Syria.
For bibliography see ADAMNAN.