An interesting argument for the use of electricity in domestic heating is presented by Mrs. Ellen II. Richards, instructor in sanitary chemistry at the Massachusetts Institute of Technology, Boston, in her recently published book, "The Cost of Shelter." The point is brought out that this age of machinery has set free the human laborer, if only he will qualify himself to use the power at hand. The house will become the first lesson in the use of mechanical appliances in control of the harnessed forces of nature, and of that spirit of co operation which alone can bring the benefits of modern science to the doois of all. To manage the machine driven house will require delicate handling, but let women once overcome their fear of ma-chinery and they will use it with skill.

The undue influence of sentiment retards all domestic progress. " Heating might now be accomplished," says Mrs. Richards, " without dust and ashes, without the destructive effects of steam, if enough houses would take electricity to enable a company to supply it in the form of a sort of dado of carrying wires safely imbedded in a non-conducting substance, or in the form of a carpet threaded with the conducting wire. Both heating and cooling apparatus could be installed in the shape of a motor to replace the punkah man and the present buzz-wheel fan, and to give fresh air without opening windows, which leads to half our housekeeping miseries.-" Electrical World."