NUCLEATION AT PROVIDENCE. 119 



TABLE 60. Number of nuclei (w) per cubic centimeter, etc. Continued. 



All data are given in the upper curves of figures 95 to 101, the 

 abscissas showing the current times, the ordinates the nucleations, 

 in thousands per cubic centimeter. The usual symbols of wind and 

 weather are inserted, R denoting rain, R' rainish, Sn snow, etc. The 

 lower curves have already been referred to and are the cotemporane- 

 ous data found by Mr. Pierce at Block Island. 



