OF ARTS AND SCIENCES. 



407 



Aside from the two stars at first noted, it appears, therefore, that 

 with the exception of Gr. 2164 the corrections given in my Memoir 

 are substantiated by the entire series of Harvard College Observatory 

 observations made between 1871 and 1878 inclusive. 



Harvard College Observatort, 

 May 9, 1883. 



