Weather and Lee Sides contrasted. 229 



upon the same bank, six are situated on or about its eastern 

 margin, while the remaining two, which are placed on its south- 

 western side, are comparatively insignificant sand-cays. Again, 

 Isle des Roches, which rests on a bank to the eastward of the 

 Amirantes, from which it is separated by a deep-water channel 

 eleven miles wide, is situated on the eastern, or weather margin 

 of its-own bank — also a partially-submerged atoll. 



