320 OBSERVATIONS ON THE ZODIACAL LIGHT. 



No. ICO. 



MAV ^:>t1i. K.!: MOKMX-O. 



Liit. 41 4?'N.: LDII. I4'i 4:',' K. 



Sun ruse \h . '.' \ui . 



Stronger ami Diil'iisi- Liylit. at ^h. anil 'J/i. -Kim. 

 Zenith pi ini ;:t vli: L;it (>.".- ,Y N. : Lcm. 289. 



Clouds uniformly since last date till this rnoruing. Rose a "little before 2 o'clock, ami found the sky overcast 

 above, and also a .stratum of clouds alonj;' the horizon, but \vit!i an interval between them of clear, bright skv, free 

 from haziness ; thus hail satisfactory observations. At that early hour the Zodiacal Light was very distinct. As 

 the hour progressed, the ecliptic tippruadird rapidly towards a parallelism with the hori'/.oii, and the upper limits of 

 the Zodiacal Light changed downwards, especially on the left. At the same time, the boundaries became less and 

 less clearly marked ; and at 2' 1 30'" the Light itself was not as distinct, except at the north or left termination, as 

 at 2". At 2'' 38'" it was difficult to get the boundaries at all, and at 2 1 ' 45"' they were quite gone. Clouds then spread 

 over the space, and my observations (cased. 



