72 



MEMOIKS OF THE NATIONAL ACADEMY OF SCIENCES. 



A. M. 



10.00 

 10.30 

 11.00 

 11.30 



.'■)8. 6 

 61.4 

 CI. 2 

 G1.2 



Computation of solar intensities — Contiuued. 

 MAY 2. 



MAY 3. 



MAY 5. 



43.0 

 44.7 

 44.3 

 44.6 



24.6 

 25.6 

 26.7 

 27.2 



15.6 

 16.7 

 16.9 

 16.6 



34.0 

 35.8 

 34.5 

 34.0 



1.460 

 1.591 

 1.605 

 1.578 



1.650 

 1.764 

 1.70G 

 1.683 



0.19 

 0.17 

 0.10 

 0.10 



MAY 6. 



1.56 

 1.68 

 1.66 

 1.63 



In the preceding table the sixth column contains the difference between the readings of the 

 black bulb in vacuo (6) and the bright bulb in vacuo (^i), and the seventh column the difterences 

 between the former and the shade temperatures (6"). The latter, which are given in the fifth 

 column, have been obtained from the current meteorological record ; they are the reading of the 



