1872.]
LANE FOX—PALÆOLITHIC IMPLEMENTS.
451
Fig. 1.—Sketch Map of part of the Thames Valley, from Acton to near Chiswick and to the Thames at Kew.
a b. Line of general section, p. 459. A–K. Sections opened. +. Flint implements. O. Animal remains. The dark tint shows the margin of the London Clay; the light tint that of the gravel.