CONTENTS ^ 



Pages 



Discoidal Structure of the Lithosphere. By Bailey Willis - - 247-302 



Oscillations of Level in the Belts Peripheral to the Pleistocene 



Ice-caps. By Reginald A. Daly -^ 303-318 



Extent and Thickness of the Labrador Ice-sheet. By A. P. Cole- 

 man ------ - 319-328 



Quantitative Methods of Estimating Ground-water Supplies. By 



Oscar E. Meinzer - - - 329-338 



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