Tlie following is a table of some French measures used in the 

 course of this work : 



A Metre is equal to about SJ feet 



A KilomUre " " 1093i yards. 



A Decimetre nearly 4 inches. 



A Centimetre about one-third of an inch. 



A Millimetre about one twenty-fifth of an inch. 



A Hectare about 2i acres. 

 The mitre is the base of all French measure, anc^ is a fixed or 

 scientific means of determining length adopted by the French Insti- 

 tute and Government : it is the ten-millionth part of the arc of a 

 meiidian between the pole and the equator. 



