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Encyclopedia Britannica - Main :: NAN-NEW |
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NENNIUS (fl. 796) , a Welsh writer to whom we owe the Historia Britonum, lived and wrote in Brecknock or Radnor. His work
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See J. Stevenson's edition of the Historia Britonum (English Hist. Soc., 1838), based on a careful study of the MSS. ; A. de la Borderie, L'Historia Britonum (Paris and London, 1883), which summarizes the older negative criticism; H. Zimmer, Nennius vindicatus (Berlin, 1893) ; T. Mommsen in Neues Archie der Gesellschaft far altere deutsche Geschichtskunde, xix. 283. (H. W. C. D.) NEO-CAESAREA, SYNOD OF, a synod held shortly after that of Ancyra, probably about 314 or 315 (although Hefele inclines to put it somewhat later). Its principal work was the adoption of fifteen disciplinary canons, which were subsequently accepted as ecumenical by the Council of Chalcedon, 451, and of which the most important are the following: i. degrading priests who marry after ordination; vii. forbidding a priest to be present at the second marriage
See Mansi ii. pp. 539-551; Hardouin i. pp. 282-286; Hefele (2nd ed.) i. pp. 242-251 (Eng. trans. i. pp. 222-230). (T. F. C.) NEOCOMIAN, in geology, the name given to the lowest stage of the Cretaceous system. It was introduced by J. Thurmann in 1835 on account of the development of these rocks at NeuclAtel (Neocomum), Switzerland. It has been employed in more than one sense. In the type area the rocks have been divided into two sub-stages, a lower, Valanginian (from Valengin, E. Desor
Albian . Renevier divided the Lower Cretaceous into the Neocomian division, embracing the three sub-stages mentioned above, and an Urgonian division, including the Barremian, Rhodanian and Aptian sub-stages. Sir A. Geikie (Text Book of Geology, 4th ed., 1903) regards " Neocomian" as synonymous with Lower Cretaceous, and he, like Renevier, closes this portion of the system at the top of the Lower Green-sand (Aptian). Other British geologists (A. J. Jukes-Browne, &c.) restrict the Neocomian to the marine beds of Speeton and Tealby, and their estuarine equivalents, the Weald Clay and Hastings Sands (Wealden). Much confusion would be avoided by dropping the term Neocomian entirely and employing instead, for the type area, the sub-divisions given above. This becomes the more obvious when it is pointed out that the Berriasian type is limited to Dauphine; the Valanginian has not a much wider range; and the Hauterivian does not extend north of the Paris basin.Characteristic fossils of the Berriasian are Hoplites euthymi, H. occitanicus; of the Valanginian, Natica leviathan
See CRETACEOUS, WEALDEN, SPEETON BEDS. (J. A. H.) is found, except gold, which seems to have been sometimes used for ornaments. Agriculture, pottery, weaving, the domestication of animals, the burying of the dead in dolmens, and the rearing of megalithic monuments are the typical developments of man during this stage. See ARCHAEOLOGY ; also Lord Avebury, Prehistoric Times (1900) ; Sir John Evans, Ancient Stone Implements of Great
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