microcephalic idiot with bilateral porencephaly. 481 
Finally, the whole of the region commonly occupied by the 
hinder parts of the right intraparietal sulcus has been depressed 
and almost destroyed by a large encysted haemorrhage from a 
cortical vessel. The haemorrhage occupies the area supplied by 
those branches of the middle cerebral artery designated Nos. III. 
and IV. by Professor Monakow 1 . 
The right hemisphere (Plate xvn, Figs. 1 A, 2 A, 3, 4, 5). 
Fig. 4. The lateral aspect of the right hemisphere of the 
microcephalic brain ( x A). 
Fig. 5. The mesial aspect of the right hemisphere of the 
microcephalic brain (xl). 
The condition, and even the presence of the olfactory nerves 
could not be definitely ascertained owing to damage sustained by 
the brain during removal, but the olfactory roots were detected on 
both sides. 
1 Gehimpathologie, 1897, S. 673. 
