#. A. P. Barnard on the Zodiacal Light. 217 
Art. XXVI—On the Theory which attributes the Zodiacal 
Light toa Nebulous Ring surrounding the Farth; by F. A.P. 
Barnarp, LL.D., Professor of Mathematics and Astronomy in 
the University of Mississippi. 
Amone the papers read before the American Association for the 
Advancement of Science, at the recent meeting in Providence, 
ho one excited a more general interest than that presented by 
the Rev. George Jones, of the United States Navy, on the sub- 
Ject of the Zodigcal Light. ‘The entire absence of any previous 
record of continuous and persevering observations upon this well 
known but little understood phenomenon, rendered peculiarly 
n from hour to hour and from night to night, during a long 
period of time, and encouraged the expectation that materials ag 
satisfactory. In this anticipation and hope, the present writer 
partook guite equally with others; nor is he yet prepared to 
adopt a different opinion. If the voluminous records submitted 
to the Association by Mr. Jones, and which carry along with 
them abundant evidence of the ability and the fidelity with 
which they were prepared, have not yet suggested the true expla- 
nation of the remarkable appearance to which they relate, they 
must be regarded, in their fullness and their minuteness, as hold- 
ng out encouraging promise that it will yet be found in them. 
That collection, indeed, embraces the only mass, large or small, 
Wownce and manifest ability with which the observations of 
W * ng Mf Pie 
®re registered. Nor can he refrain from expressing the 
ieee 
ne 
“ation which he felt, at the entire freedom from bias with which _ 
28 
