Vol. 57.] 



CLIMATE or THE PLEISTOCENE EPOCH. 



40: 



times could only have occurred when the meteorological conditions 

 were favourable. 



My attention was called to this subject accidentally, while 

 endeavouring to work out a geological problem, namely, that of 

 the conditions under which the Upper Crag deposits of the East of 

 England were accumulated. During a visit to Hyeres, in the South- 

 east of France, in the spring of 1899, I noticed that of the two low 

 sandy beaches fringing the narrow spit which connects the peninsula 

 of Giens with the mainland (see map, fig. 1), the beach to the westy 



