[366] Ep. dcclxxi.–dcclxxiv. (Robertson, _Becket_, vol. vii. pp. 513–522). MS. Lansdown. (_ib._ vol. iv.), pp. 173, 174. [367] _Gesta Hen._ (as above), p. 31; Rog. Howden (Stubbs), vol. ii. p. 34; Gerv. Cant. (Stubbs), vol. i. p. 237. R. Diceto (as above), p. 352, makes it August 21. [368] _Gesta Hen._ (as above), pp. 32, 33. Rog. Howden (as above), pp. 35–37. Gerv. Cant. (as above), p. 238. These three are the only writers who mention this purgation in September, and they say nothing of the one in May. That it took place is however clear from the letter of the legates themselves (Ep. dcclxxiv. Robertson, _Becket_, vol. vii. p. 521), giving its date, “_Vocem jucunditatis_,” _i.e._ Rogation-Sunday. On the other hand, the MS. Lansdown. (_ib._ vol. iv. pp. 173, 174) mentions only one purgation, and this clearly is the earlier one, for it is placed before the re-crowning of young Henry. The explanation seems to be that this was a private ceremony between the king and the legates, with a few chosen witnesses; the legates say in their letter that Henry promised to repeat it publicly at Caen; he probably did so at Avranches instead. On the other hand, Rob. Torigni (a. 1172) says: “Locutus est cum eis primo Savigneii, postea Abrincis, tercio Cadomi, ubi causa illa finita est;” and seems to make the Michaelmas council at Avranches a mere ordinary Church synod, where moreover “obsistente regis infirmitate parum profecerunt.” To add to the confusion, Gir. Cambr. (_Expugn. Hibern._, l. i. c. 39; Dimock, vol. v. p. 289) says the purgation was made at Coutances. CHAPTER III. THE CONQUEST OF IRELAND. 795–1172. [Illustration: Map III. IRELAND A. D. 1172. _Ostmen’s settlements marked thus: Dublin._ Wagner & Debes’ Geogˡ. Estabᵗ. Leipsic. London, Macmillan & Co. ]