Pharyngeal and Oesophageal Diverticula

Neumann whether, in doing a modlfied radica.loperation under a local anaesthetic, it was his practice to remove the iiC'us.Professor VON NEUMANN replied that in about 80 per cent. of cases of chronic otitis the incus was disarticulated from the stapes, and in these circumstances he removed it; its removal did not adversely affect the hearing.Mr. G.J. JENRINS (London), in reply, supported Professor v-on Neumarnn in advising meticulous care in the open- ing up of all cells of the mastoid and neighbouring regions in operations for acute mastoiditis.He was famlniar with the group of cells between the dura of the posterior fossa and thte facial nerve, and examples of this gr-oup could be seen in Mr. Cheatle's collection in the Royal College of Surgeons.He knew of two abscesses of the cerebellum, just above and external to the jugular foramen, which seemed to be associated with the infection of this group of cells.Mr. J. S. FRAsER referred to tubal eatarrhi being responsible for the continuation of discharge after a radical nmastoid operation, and spoke of the impossibility of curing it.His own experience of primnar-closure in a simple mastoid operation, undertakeni against his wish and only from motives of dire necessity, had been followed by a fatal result.PHARYNGEAL AND OESQPHAGEAL DIVERTICULA.NY