50 (b) There is no means of anyone knowing, even approximate- ly, what the death rate is, or waste of labour involved. In the next chapter it will be seen how the facts to which we have drawn attention work out. For the present we need only to point out that in the Duars, labour being voluntary, the deduction is that no sort of responsibility attaches to the employer. It is the largely disastrous effects of such a view which we shall show are responsible for the conditions now seen in the Duars.