§ 1. Purely subjective impressions of touch, of at all a distinct kind, arc rare; and when they occur, may often be accounted for as illusions due to an involuntary muscular twitch. It is not surprising, therefore, that telepathic hallucinations of this type should be rare . . . . . • 445

The most conclusive examples are those where an affection of touch is combined with one of sight or hearing. Examples .... 446-448

§ 2. Combined affections of the senses of sight and hearing: one case (No. 299) is peculiar in that the person who was probably the agent was in the percipient's company at the time ....... 448-453