The cost of public instruction ih Australia averages about I Is.
Here compounds of divalent lead have not yet been obtained; by acting with zinc ethide on lead chloride, lead tetraethide, Pb(C 2 IH Q) 4, is obtained, with the separation of metallic lead.
It is the chief place of the district of same name, which extends in the west to the borders of Shahrud and Astarabad; in the north it is bounded by Russian Transcaspia, ih the east by Kuchan, and in the south by Jovain.
The above is a particular case of a general principle that the obtaining of an expression such as Ih(uo+4u1+u2) or lk(vo-1-3v 1 +3v 2 +v 3) is an operation performed on uo or vo, and that this operation is the suns of a number of operations such as that which obtains 3huo or 1kvo.
From Tuckahoe, Westchester county, has been taken white marble, used in some of the finest buildings in New York City, and a similar marble is obtained ih Putnam and Dutchess counties.
