<p><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px">A preliminary report of some of the results of the measurements of the electrical conductivity of HgCl², HgBr², HgI²and an </span></span><span style="font-family:Verdana"><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px">equi-molar</span></span><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px"> mixture of HgCl² and HgBr² and another of HgBr² and HgI², all these being pressed to 10 tons/cm2 of pressure, are reported. The very low value of the electrical conductivity of the two equimolar mixtures, compared to those of the corresponding double halides strongly suggests </span></span><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px">formation</span></span><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px"> of some new product in both the cases. This is also supported by the </span></span><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px">X- ray</span></span></span><span style="font-family:Arial,Helvetica,sans-serif"><span style="font-size:14px"> diffractograms of the compounds. Finding the nature of the product is a matter for detailed study before any reliable conclusions can be drawn.</span></span></p>