288 Recent contributions to Astro-Meteorology. 
chance in their return, but, on the contrary, the showers are very regu- 
the older and better known showers of August and November. On the 
verage of many years, the radiant-regions of a few are, however, still 
epochs and directions of large meteors still remains to be established.” 4 
rom a private letter by Mr. Greg to Mr. B. V. Marsh we 
as 
or rather, if there were 
ar to have a radian 
two absolute motions, that of the meteoroids and that of the earth. 
z either of these should change, the place of the radiant will 
hange. 
