V. Catalogue of Star Density. 



The catalogue contains tables for each zone of five degrees of declination from 

 equator to the poles. 



The density is given as tlie number of stars to the eleventh magnitude per 

 square degree. 



The vahie of the densit}' is the average of an area limited by the circles of 

 declination of the zone and two consecutive hourcireles given in the first column. 



