[290] Among the smaller treatises on the Catacombs, and separate articles in the encyclopædias and journals of higher literature, may be mentioned the following, most of which have been consulted in the preparation of these pages: Remusat, _Musée Chrétien de Rome_; _Revue des Deux Mondes_, Juin 15, 1863; _Revue Chrétienne_, Mai, 1864; Jehan, _Dict. des Origin. du Christ._, pp. 212, 89; Martigny, _Dict. des Antiq. Chrét._, p. 106; Bouix, _Théologie des Catacombes_, Arras, 1864; Piper, _Mythologie und Symbolik der Christlichen Kunst_, Weimar, pp. 184, 51, and _Die Graben Schriften der Altenten Christen_ in _Evang. Kallendar_ 1855, p. 27, 1827, p. 37; _Edin. Rev._, January, 1859, and July, 1864; _Contemp. Rev._, September, 1866, and May, 1872; _Monumental Theology_, by Prof. Bennett, in _Meth. Quar. Rev._, January and April, 1871; M’Clintock and Strong, _Cyclopædia_, _in verbo_. In the _History of Sacred Art in Italy_, by C. L. Hemans, son of the poetess, are two interesting chapters on the Catacombs, and valuable notes of ancient art, _passim_. Seymour’s _Mornings with the Jesuits_ has some interesting paragraphs on this subject, as has also Prof. Silliman’s _Visit to Europe_. The Rev. Wm. Arthur, M.A., has an able Exeter Hall lecture on the Catacombs. In Murray’s _Hand-Book of Rome_, ed. of 1867, is some interesting information on this topic. In _Harper’s Mag._, April, 1865, is a popular article by Prof. Greene, U. S. Consul at Rome. In Schaff’s _Ch. Hist._, 1, § 93; _Killen’s Anc. Ch._, pp. 348-351; Stanley’s _Eastern Churches_, and Milman, _passim_, are interesting references to the subject. In Westcrop’s _Hand-Book of Archæology_, London, 1867, and in the _Dict. Épig. Chrétienne_, Paris, 1852, are valuable contributions on the epigraphy of the Catacombs. Didron’s _Iconographie Chrétienne_, Paris, 1841; Lord Lindsay’s _Hist. of Art_, London, 1847; Lübke’s _History of Art_, London, 1869; Mrs. Jameson’s _Sacred Art_, Tyrwhitt’s _Christian Art and Symbolism_, and Hare’s _Walks About Rome_, have also been laid under contribution. CHAPTER V. 164 THE PRINCIPAL CATACOMBS OF ROME.