32 MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



. Table XIV. — Wind observations from the charts of the U. iS. Hydrographic Office — Contiuued. 



Some of these directions difler from those of Table XIII more than was expected. The 

 difference is probably to be ascribed to the small number of the observations. Since Table XIV 

 is deduced from the greatest number of observations, I have employ td it in the comparisons 

 exhibited in the following table : 



