84 PRIMAEVAL MAN IN THE VALLEY OF THE LEA.
but Mr. Spurrell and myself, although I know of one instance of
forged flakes being replaced.1 The two conjoined flakes illustrated
in fig. 1 are now in the British Museum, Bloomsbury. The front is
shown at G, and the side at H. The lowermost flake I found at
Stoke Newington Common two days before I found the upper one.
Each flake has a cone of percussion, as shown at J, K, and the upper
Fig. 2.—Conjoined Palaeolithic flakes from near Stoke Newington Common
(one-half actual size).
flake has a well-marked depression at L, corresponding to a third
flake, which, had it been found, would have fitted on to the upper
flake. Both flakes are sharp, and slightly stained with the ochreous
river sand which overlaid them. Both (especially the upper one)
show unmistakable signs of having been used as scrapers, the upper
curved edge, and that edge only, being worn away by use. The
worn upper edge of the super-
imposed flake at MM is distinctly
shown in the illustration. A
small intermediate piece belong-
ing to the position at N, I did
not find. Both flakes are natu-
rally mottled in a peculiar
manner; the formation and
colour of the mottling exactly
agree.
Fig. 3.—Conjoined Palaeolithic flakes from near
Stoke Newington Common (one-half actual
size).
The examples of conjoined

flakes in figs. 2 and 3 are more
remarkable, as the individual flakes and blocks were found in different
parts of Stoke Newington between 1878 and 1884. Moreover, all
the pieces are partially whitened by age, and slightly abraded. They
do not belong to the "Paleolithic Floor," but to the "Trail and
For an instance of replacing Neolithic flakes, by the writer and by Mr. H. A. Cole, see
"Transactions Essex Field Club," vol. iii., pp. 224, 225, figs. 1 and 2.