DISORDERS of taste are for the most part neither as varied nor as bizarre as the abnormal conditions of the more complex senses. Illusions of taste, hallucinations, and subjective tastes we have already referred to as frequently found. But of them little can be said, except that they occur, and that they present very little of psychological interest. The appearance of these subjective tastes may in some cases be due merely to the fact that “a taste sensation easily associates itself with certain muscular sensations. Thus, pressure on the base of the tongue provokes the movements of vomiting. With this muscular sensation may be associated a sensation of bitter, which accompanies violent nausea.” In ways similar to this some observers would explain the reports of others who find taste sensations to be produced by mechanical stimulation of papillæ. Most observers do not get such results, and it may be that these sensations when they are reported are of the associated variety. In the case of certain abnormal nervous conditions, however, these features may assume rather striking proportions. Thus, in the “auræ,” or preliminary symptoms preceding an epileptic attack, the patient often experiences unpleasant bitter or metallic tastes, and distressing feelings of numbness of tongue, etc. These sensory manifestations are, however, by no means as elaborate as are the “auræ” of some of the other senses, notably hearing and vision. _Partial and Complete Ageusia_ Conditions of partial or complete _ageusia_, or loss of taste, are well known. Such conditions may result from the local application of various drugs to the end organs, the paralyzing effect of drugs on the nerve trunks, injury to, or operations on, these nerves, or damage through injury, disintegration, or removal of special brain areas. _Taste Hallucinations of the Insane_