Stone Implements in Lateritic formations. 31 



comparatively short period, and which the existing atmos- 

 pheric agencies may appear totally unequal to. To quote 

 the words of Mr. Prestwich(l) " we should have, Agencies 

 in operation so far exceeding in power any now acting in 

 these countries that it is impossible to apply the same rules 

 to the two periods ; the changes described must have pro- 

 gressed with a rapidity of which we in the present day, 

 can in these latitudes hardly form an adequate conception." 



R BRUCE FOOTE, 

 December 1864. Geological Survey of India. 



(1) Note. — In his lecture at the Royal Institution, 26th February 1864. 



