BY E. M. JOHNSTON, F.L.S. 19 



of the aforesaid divisions. In this way information 

 relating to Population, Trade and Industry and Property 

 obtained by any of the modes now in operation could be 

 readily related to any of the several forms of district 

 groupings. The grand principle of harmony of districts 

 being that the larger division boundary should coincide exactly 

 with the corresponding outermost limits of the lesser but 

 complete divisions contained within it. Negatively it may be 

 stated as follows : — 



{a.) Any Eoad District should not form parts of two 

 or more Municipal Districts. 



(b.) Any Municipal District should not form parts of 

 two or more Electoral Districts. 



(c.) Any Electoral District (Urban Centres perhaps 

 excepted) should not form parts of two or more 

 Municipal Districts. 



To secure with greatest economy the valuation of property 

 or the state of any industry, the Rolls or Shedules should 

 not be based solely upon the alphabetical order of either 

 streets or names of persons (occupiers), but rather the 

 alphabetical order should be subordinate to one of the 

 smaller systematic sub-diyision of municipal districts, thus: — 



