134 INORGANIC EVOLUTION. [CHAP. 



(Fig. 39) represents the galactic zone, the plane of the Milky Way, and 

 along it the different galactic longitudes are indicated, above and 

 below the plane a few degrees of galactic latitude north and south 

 are shown, sufficient to enable all the bright-line stars which Campbell 

 discussed to be plotted. The map shows that all the bright-line stars 



F IG . 40. Photograph of a glass globe showing the relation of the Milky Way to 

 the Equator and to Gould's belt of stars. 



really are close to the central plane of the Milky Way. Only one out 

 of the fifty-five is more than 9 from it, and this lies in a projecting 

 spur, so that we cannot really say that that is out of the Milky Way. 



It is remarkable that these bright-line stars are not equally dis- 

 tributed along the Milky Way. They are chiefly condensed in two oppo- 

 site regions, and there is one region in which they are markedly absent. 



