against explosion proved to be effectual in the extreme north are neglected in all the other districts. Equally remarkable it is that falls of roof have caused nearly 1000 more deaths in the eight years than explosions, although the latter chiefly excite public feeling. Here, again, the extreme northern district affords a gratifying contrast with the others, as, out of an average of 371 such accidents yearly, only 49 occur there. It is suggested that the comparative immunity of the north from this cause of accident is attributable to the fact, that one man in six belongs to the safety staff, who are charged with the superintendence of ventilation, road, and prop making, &c. In other parts no such person is employed, and the men in their anxiety to get coal neglect these salutary means of safety. The next greatest number of fatal accidents occurs in the shafts, 1734 in the eight years. Here, again, the cautious north exhibits its superiority, its proportion of fatalities from this source not being more than a fifth part of the proportion throughout the country. Other fatalities there are, principally the result of bad discipline, the employment of too large a proportion of boys under fifteen years, the use of machinery where hand-pulling would be preferable, the narrowness of the galleries, and such like. Dr. Holland notices that the system of government inspection has, in the southern coal districts, led to the discontinuance of the services of “viewers,” or mine engineers, to direct the operations, which it never was intended to do. Either these viewers must, as a rule, be reinstated, or the government system of inspection must be enormously increased. Among the means suggested to prevent accidents is that of making the coal owner civilly responsible for accidents caused by the obvious neglect of reasonable precautions in the working. In the course of the discussion which followed, it was urged that the workers should no more be exempted from the penal consequences of neglect than the employers.