XII LIST OK ILLUSTRATIONS. 



PAGE 



FIG. 91-92. Graphs showing the current nucleations 104, 105 



93. Chart showing the average daily nucleations at Block Island, 



in hundreds per cubic centimeter, from December to May, 

 1904-05 106 



94. Location of the stations at Providence and at Block Island. . 106 

 95-101. Daily record of the nucleations of Providence and of Block 



Island in thousands of nuclei per cubic centimeter from 

 November, 1904, to May, 1905 120-125 



102. Average daily nucleations in thousands per cubic centimeter 



at Providence and at Block Island from November, 1904, to 

 May, 1905 127 



103. Average monthly nucleations at Providence and at Block 



Island, in thousands per cubic centimeter, from October, 

 1902, to May, 1905 128 



104. Average monthly nucleations from November, 1904 to May, 



1905, at Providence in ten thousands per cubic centimeter, 

 and at Block Island in thousands per cubic centimeter, 

 showing the probable run of the curves in the absence of 

 the February maximum and the coincidence of the maxima 

 and the minima 129 



