16 BARNARD— DANIEL'S COMET. [April 25, 



reality. Quite a number of stars appear upon the original which 

 heighten the artistic effect, but they have disappeared in the repro- 

 duction. 



The great delay in the appearance of this paper has been due 

 entirely to the difficulty of getting good half-tone reproductions 

 (E. E. B.) 



