SOUTH. 



WEST. 



EAST. 



Plate I. -THE REGION AROUND COPERNICUS, AS SEEN WHEN THE MOON WAS 



240 HOURS OLD. 



Reproduced on about the same scale as the original iiegatiTc, taken at the Paris Obsenat ory by the Brothers ITexrt on 

 the 28th of May, lb90. An enlarged image was thrown by an eye-piece on to the photographic plate; its scale is about 150 miles 

 to the inch. 



Direct Photo Engrnring Compony, 0, Barnshurfj Park, JT. 



