[Footnote 351: 'Proceedings Soc. Ant. Scot.' v. p. 265. If Ragnar was taken prisoner by Ella of Northumberland, it must have been in the latter half of the ninth century. Suhm places his death nearly a century earlier, 794.] [Footnote 352: 'Primæval Ant. of Denmark,' p. 112.] [Footnote 353: 'Annalen for Nord. Aldk.' vi. pl. x.] [Footnote 354: Holmberg, 'Scandinavien Hallristingar,' p. 3.] [Footnote 355: _Ibid._ p. 21. 'Soc. des Ant. du Nord,' ii. pp. 140 _et seq._] [Footnote 356: Sir James Simpson, appendix, vol. vi. 'Proc. Soc. Ant. of Scotland,' _passim_.] [Footnote 357: Madsen, 'Antiquités préhistoriques du Danemark,' 1869.] [Footnote 358: 'Samlingar,' i. pl. iii. fig. 6.] [Footnote 359: Olaus Wormius, 'Danica Monumenta,' pp. 8 and 35.] [Footnote 360: 'Essai sur les Dolmens,' p. 9.] [Footnote 361: 'Heidnische Alterthümer von Uelzen,' Hanover, 1846.] [Footnote 362: Madsen, 'Antiquités préhist.' pl. 8.] [Footnote 363: 'Antiquitates Septentrionales,' pp. 320 and 519, pl. xvii.] [Footnote 364: Madsen, plates 13 and 14.] [Footnote 365: Bateman, 'Ten Years' Diggings,' p. 23. Lewellyn Jowett, 'Grave Mounds,' pp. 14 and 15, &c.] [Footnote 366: Sjöborg. _loc. sup. cit._] [Footnote 367: Now destroyed. Sjöborg, iii. pl. 10, p. 143.] [Footnote 368: _Vide ante_, footnote, p. 15.] [Footnote 369: The woodcut is reduced from a plate in Worsaae's 'Alterthumskunde Scandinaviens,' but both it and the Amrom group are found in the 'English Archæological Journal,' xxiii. p. 187.] [Footnote 370: Archæol. Journal,' _loc. sit._ p. 185.] [Footnote 371: Bähr, 'Die Gräber der Liven,' Dresden, 1850, pl. i. Unfortunately, as is too often the case, no scale is engraved on the plate, and no dimensions are mentioned in the text.] [Footnote 372: Not yet published, so far as I know.] [Footnote 373: 'Die Gräber der Liven,' p. 51.] [Footnote 374: 'Ant. Septent.' p. 5, pl. ii.] [Footnote 375: It is by no means clear whether Mr. Sadler, who is the author of this paper, ever visited the spot, or compiled his information from Janssen's book, which, however, he never mentions. Be this as it may, it is the best paper I know of on the subject, and well worthy of perusal.] [Footnote 376: The woodcut is from a photograph kindly lent me by Mr. Franks. It is sufficient to show the nature of the construction, but the camera is a singularly unintelligent interpreter of plan or arrangements.] [Footnote 377: There are several dolmens, as before stated, in rugged mountainous parts of Luxemburg, but they seem to belong to the old races that in those corners were not swept away by the Belgian current.] [Footnote 378: Cæsar, 'Bell. Gall.' ii. p. 4.] CHAPTER VIII. FRANCE.