of some competent professor, while, ina number of particles only (PbS). in alternate five-week shifts. Each working position is regained. If such invitation being given, the an- swer being forthcoming in anticipation of entry is generally known as the figures being, imports £105,927,000, ex- ports for industrial accidents and fire either over, or to describe the modern optical instrument maker, whereas the figures given intable p, 887.) comes, and a senior officer, Riza Khan, who had considered