I can do nothing till he wakes. At present he is in such a state that nothing can be done for him. Later I shall if necessary give him a hypodermic to ensure sleep. In the morning when I come again I shall examine him fully.’

‘But you are not going away to-night!’ said Stephen in dismay. ‘Can’t you manage to stay here? Indeed you must! Look at all these people, some of whom may need special attention or perhaps treatment. We do not know yet if any may be injured.’ He answered at once:

‘Of course I shall stay if you wish it. But there are two other doctors here already. I must go over to my own place to get some necessary instruments for the examination of this special patient. But that I can do in the early morning.’