Norris, Mr., collection, [96]

Northumberland, Duke of, collection, [46], [116]

Norway, native copper in, [419]

Noulet, Dr., [142]

O

Objects of uncertain use, [306], [308], [396], [397], [405]

Obsidian instruments from Santorin, [184]

Odyssey, description of hardening axe in, [14];

testimony of, as to axe-heads, [161]

O’Gorman, Mr. T., quoted, [398]