Astronomy. 
ter in such a condition that its particles are small compared with 
gas, or 
from matter capable of giving specular reflection. It is not im- 
ssible indeed that the light consisted of portions reflected in 
th modes, the relative proportions of polarized and unpolarized 
Willard, Phillips, und Mahoney, denen sich der als gewandter 
Dr. C. A. Yo 
known as an experienced spectroscopist, and . , to 
whose charge the photographic department was ¢ te 
sented by M. Delaunay to the Institute of France. The Rev. 
- Webb laid them before the Royal Astronomical Society, 
where the report and the photographs were discussed at length at 
the meeting of November 12, 1869. : 
enry Morton, President 
Stevens Institute of Technology, Hoboken, New Jersey. 
4. Aurora of February 4th.—This aurora, particular account of 
which is given by Prof. Twining at page 273 of this volume, was 
Seen at Suez and also at Bombay. a 
It was also observed at the Cape of Good ag as announced in 
the following account by E. J. Stone of the yal nde epapngd 
at the Cape, dated Feb. 19, copied from Wature of April 4. 
