128 Primaeval Man in the Valley of the Lea. altered the contours round North London; and the "Palaeo- lithic Floor" at South Hornsey, close to Stoke Newington, is 14 feet below the surface instead of 4 feet—this 10 feet has been removed in some places by the rains of centuries, in others by modern brick-makers and nurserymen. Fig. 15. Fig. 16. Pointed implements, one half actual size. Fig. 17. Fig. 18. Pointed implement, one half actual size. Scraper, one half actual size. The newest Palaeolithic implements are as a rule not highly lustrous as in the last, but sublustrous, and often even dull; not abraded or subabraded, but as sharp as on the day they were made. As a rule they are very much smaller and lighter than anything belonging to the two previous periods. An example is illustrated half actual size at fig. 15 (No. 403, formerly in my collection, but now in the possession