PART I 



A CONTRIBUTION TO THE STUDY 

 OF ICE-STRUCTURES 



(With Seven Plates and Six Figures in the Text) 



f4 



V* 



BY 



D.'MAWSON, D.Sc. 



University of Adelaide 



Accumulation of Saline Matter in the 



CONTENTS 



I. INTRODUCTORY . 

 II. THE LAKE-ICES . 



1. Preliminary 



(a) Causes contributing to the 



Lakelets 



(b) Reasons for the varying Salinities of the Lakelets . 



(c) The Nature of the Saline Accumulations 



2. Green Lake 



3. Round Lake 



4. Shallow Lake 



5. Rlue Lake . 



6. Coast Lake 



7. Clear Lake 



8. Glacier-Ice (for comparison) ....... 



9. Classification of the Crystalline Textures of the Lake-Ices 



III. SEA-ICE 



IV. ICE-STALACTITES 



V. A COMPARATIVE STUDY OF ICE-CRYSTALLISATIONS FROM VAPOUR 



(a) Crystallisations from Concentrated Vapour ..... 



(b) Crystallisations from Attenuated Vapour . ..... 



(c) Crystallisations from Rarefied Vapour ...... 



VI. EXPLANATION OF THE PLATES 



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BRIT. ANTARCT. EXPED. 1907-9. VOL. II. 



