And why should he poison his wife? Tell me that?' 'There is one thing, M. le Docteur, that perhaps you do not know.' And, very briefly, Poirot outlined the main facts of Mrs Pengelley's visit to him. No one could have been more astonished than Dr Adams. His eyes almost started out of his head.
'God bless my soul!' he ejaculated. 'The poor woman must have been mad. Why didn't she speak to me? That was the proper thing to do.'
'And have her fears ridiculed?'
'Not at all, not at all. I hope I've got an open mind.'
Poirot looked at him and smiled. The physician was evidently more perturbed than he cared to admit. As we left the house, Poirot broke into a laugh.
'He is as obstinate as a pig, that one. He has said it is gastritis; therefore it is gastritis! All the same, he has the mind une
