CHAP. XXIX.] SPEECH AND THOUGH 1 !. 629 



not the Visual whilst he could not read aloud the simplest 

 passage without making many mistakes. It will be inte- 

 resting subsequently to compare these cases with those 

 that will be given under the head of Agraphia (p. 657), 

 especially the other case recorded by Dr. Jackson, which 

 might perhaps with equal propriety be placed here. 



3. Damage to Visual Word-Centre, and of Afferent 

 Fibres to Auditory Centres ; together with certain defects 

 producing Incoordinate Amnesia.* 



A case of great interest belonging to this category has 

 been fully recorded by Dr. Banks,t but is given here only 

 in abstract. The power of apprehending what was spoken 

 by others was entirely lost, and the patient's ability to 

 comprehend written or printed characters was almost 

 lost. His powers of expression by Speech and Writing 

 were correspondingly .defective. He seemed to have lost 

 all knowledge of the proper use of Words, and was unable 

 to express himself in an intelligible manner. 



A gentleman, aged about seventy-five, after having walked a 

 considerable distance on the 28th of March, 1864. sat down to 

 dinner, and proceeded with his meal as usual. After a time it was 

 observed that some of the water he was drinking flowed from his 

 mouth. He put down the glass, calling at the same time in a loud 

 and excited voice for his wife and the servant who was in the habit 

 of waiting upon him, although they were both present. The patient 

 was in a very short time seen by Dr Kidd, who found him sitting 

 on the sofa, looking puzzled but evidently conscious, calling out 

 loudly at intervals for the servant and others, but not taking the 

 slightest notice of anything which was said to him. The excite- 



* The consideration of the nature of the defects inducing this 

 latter condition, will be better deferred till some examples of the 

 condition itself have been given. 



f " Dublin Quart. Jrnl of Med. Science," Feb. 1865, p. 78. 



