1872.] 



LANE POX — PALAEOLITHIC IMPLEMENTS. 



451 



Fig. l.—Sl-etch Map of part of the Thames Valley, from Acton to 

 near Chiswick and to the Thames at Ketv. 



a b. Line of general section, p. 459. A-K. Sections opened. +. Flint imple- 



ments. O. Animal remains. The dark tint shows the margin of the London 



Clay ; the light tint that of the gravel. 



