xni Action of Water on the Land 261 



2 J. C. M'Connel and D. A. Kidd, "The Plasticity of Glacier 

 and other Ice," Proc. Roy. Soc. (1888), xliv. 331, also (1890) 

 xlviii. 259 ; Nature^ xxxix. 203. 



BOOKS OF REFERENCE 

 See end of Chapter XIV. 



