The Region of the Milky Way about ^ Cephei. 



Enlarged from a photogi-apU taken hv Dr. Mai Wolf, of Heidelberg, with a portrait lens of 55 miUiiuMro* 

 (about 2i inches) ai)erture, and 195 millimetres (about 7| inches) focal length ; exposure 7 hours. 



Tltc Anlftmntir Engraving Cmnjynny, Stro'le Koa-I, ll'illejuleii Green. 



