504 OBSERVATIONS ON THE ZODIACAL LIGHT. 



No. 252. 



DECEMBER IHh, 1854 (Kith was Sunday) : 



Lat. 38 2' N. : Lon. 122 7' W. 



Sun set at 4A. 36im. 

 Stronger and Diffuse Light at 6h. 15m. and Ik, 



Sky clear and very brilliant. The Zodiacal Light quite distinct at C" 15"' : stronger at 7 1 ' ; at 7' 1 30'", strong, and 

 outlines apparently the same as at 7 h . 



