we'll call anæmia of the brain was masked (I don't say cured) by
vibration. He couldn't sleep, or thought he couldn't, but a steamer
voyage and the thump of the screw--'

'A steamer? After what I've told you!' Conroy almost shrieked. 'I'd
sooner ...'

'Of course _not_ a steamer in your case, but a long railway journey the
next time you think it will trouble you. It sounds absurd, but--'

'I'd try anything. I nearly have,' Conroy sighed.

'Nonsense! I've given you a tonic that will clear _that_ notion from
your head. Give the train a chance, and don't begin the journey by
bucking yourself up with tabloids. Take them along, but hold them in
reserve--in reserve.'

'D'you think I've self-control enough, after what you've heard?' said
Conroy.

Dr. Gilbert smiled. 'Yes. After what I've seen,' he glanced round the
room, 'I have no hesitation in saying you have quite as much
self-control as many other people. I'll write you later about your
journey. Meantime, the tonic,' and he gave some general directions
before Conroy left.

An hour later Dr. Gilbert hurried to the links, where the others of his
regular week-end game awaited him. It was a rigid round, played as usual
at the trot, for the tension of the week lay as heavy on the two King's
Counsels and Sir John Chartres as on Gilbert. The lawyers were old