32 



Solution by logistic LogariUitm, and Mr. Brinkley's correction. 



Ar. Comp. of logistic Logarithm of j 's horary rate, - - 9.7337. 



Logistic Logarithm of the entire observed diiference of differences, 0.6065. 



0.3402. 

 Logistic Logarithm of 37'. 24'',7 approximate longitude. 



59, 38 Mr. Brinkley's correction^ 



26'. 2,3",33 longitude W. 



A Table 



