352 OBSERVATIONS ON THE ZODIACAL LIGHT. 



No. 176. 



JULY 6tb, 1354 : MORNING. 



Lat. at 3/., 29 18' N.: L<m. 129 37' E. 

 Sun rose 5/i. 10m. 



Stronger Light \ }J'' jj^'"' j Diffuse Light l/i. 52m. and 3A. 10m. 

 Sim's Longitude 104 1'. 



Was on deck at half-past 1, and was surprised to find the Zodiacal Light so distinctly marked and so well defined. 

 Got reliable boundaries at 1" 35"' for the Stronger Light, but, on account of some flitting clouds, could not bound the 

 Diffuse till somewhat later. Again on deck at 3 o'clock, but found the sky now rather dull, and was not able to get 

 the lower boundary of the Diffuse Light reliably. At both observations, the upper extremity of the Stronger Light 

 was badly marked, but I believe the boundaries given may be relied on. 



