[438] Flood, W. H. G., Article _Irish Music_ in _Glories of Ireland_, p. 771. [439] See _Liber Hymnorum_, ed. by Atkinson and Bernard; also Stokes and Strachan, _Thesaurus Palaeohibernicus_, I., 298 _seq._ [440] Flood, W. H. G., Art. in _Glories of Ireland_, p. 72. [441] Turner, Wm., _History of Philosophy_, p. 247. (Query: Is this the same or a different commentary from that referred to by and attributed to Bishop Donnchadh, by Flood?) [442] Flood, W. H. G., _History of Irish Music_, pp. 19, 20. [443] See Coffey, George, _Bronze Age in Ireland_, Plates II., V., VII., VIII., IX., X. and pp. 48, 49, 50. [444] McKenna, James E. (Right Rev.), _Irish Art_, p. 7. [445] McKenna, James E., _op. cit._ pp. 8, 9. [446] Sullivan, Sir Edward, _The Book of Kells_, Introduction, p. 1. [447] Westwood, John, _Palaeographia Sacra Pictoria_, quoted by McKenna, James E., _op. cit._ pp. 20–21. [448] Coffey, George, _Guide to the Celtic Antiquities of Christian Ireland_, pp. 9, 10. [449] Quoted by McKenna, James F., _op. cit._ p. 20, 21. [450] Hartley, _Proceedings of the Royal Dublin Society_, N.S., IV., 1885. [451] See _Ireland: Industrial and Agricultural_, pp. 19, 20 for the places where these materials are obtainable in Ireland. [452] Joyce, P. W., _op. cit._ I., 561; Coffey, G., _Bronze Age_. Illustration. [453] Stokes, Wm., _Life of Petrie_, Chap. vii. [454] Joyce, P. W., _op. cit._ I., p. 561. [455] Joyce, P. W., _op. cit._ I., pp. 560–563. [456] Coffey, G., _Guide to Antiquities of Christian Ireland_. Illustration. [457] Joyce, P. W., _op. cit._ I., p. 560. [458] Joyce, P. W., _op. cit._ I., p. 567. [459] MacAlister, R. A. S., _Muiredach, Abbot of Monasterboice_ (890–923 A.D.). This work gives a detailed account of one of these crosses at Monasterboice. [460] Abelson, Paul, _The Seven Liberal Arts_, p. 64. [461] Text in Migne, _Latin Patrology_, Vol. 90, Col. 294–578. [462] Text in Migne, _Latin Patrology_, Vol. 107, Col. 669–727. [463] See Abelson, Paul, _op. cit._ p. 90. [464] Abelson, Paul, _op. cit._ p. 100; Turner, Wm., _Hist. of Phil._, p. 257. [465] Abelson, Paul, _op. cit._ p. 104. [466] Abelson, Paul, _op. cit._ pp. 103–104. [467] Abelson, Paul, _op. cit._ pp. 113–114. [468] _De Nuptiis_, etc., Eyssenhardt ed. pp. 194–254. [469] Text in Migne, Vol. 70, c. 1212–1216. [470] Text in Migne, Vol. 82, c. 161–163. [471] _Dictionary of National Biography_, Vol. I., p. 93. [472] Maguire, Eugene, _Life of Adamnan_, p. 95. [473] Chap. V., p. 69, Text and translation in _Proceedings of the Royal Irish Academy_, 1883, pp. 219–252. [474] See MacAlister, R. A. S., _Muiredach, Abbot of Clonmacnoise_, where a copy of this map will be found. [475] See Mullinger, J. B., _The Schools of Charles the Great_, p. 120, for Alcuin’s silly explanations of astronomical phenomena.