CONTENTS OF VOLUME FIRST. XV 



Page 



CHAP. IV. — An Account of the Greenland 



or Polar Ice, - - 225 



SiCT. 1. A Description of the various kinds or de- 

 nominations of Ice, - ib. 



2. On the Formation of Ice on the Sea, 238 



3. Description of Ice-Fields, and Remarks 



on their Foi-mation and tremendous Con- 

 cussions, - - 241 



4. Description of Ice-bergs, and Remarks on 



their Formation, - 250 



5. On the Situation or general Outline of the 



Polar Ice, - - 262 



6. Changes which take place, with the Ad- 



vance of the Season, in the situation of 

 the Ice, in the Seas of Greenland and 

 Davis' Strait, - 270 



7. Situation of the Ice in the Region visit- 



ed by the Greenland Ships, with Ob- 

 servations on the Alterations which have 

 occurred, during a series of Sixteen 

 Years, - - 276 



8. Remarks on the Properties, peculiar Move- 



ments, and Drifting of the Ice, - 284 



9. Effects of the Ice on the Atmosphere, and 



of the Ice and Sea on each other, 296 



10. Remarks on the closest Approximations to- 



wards the Poles hitherto accomplished, 

 under different Meridians, - 306 



11. Abstract of the preceding Observations 



on the Formation, Properties and Si- 

 tuation of the Polar Ice,. 318 



