58 C. JV. M. Poyntcr 



praccnncus is in communication through a horizontal branch with 

 the fossa parieto-occipitalis. 



The cuncus is larger on this side than on the left and the 

 description of the fissures on the left will answer for this side 

 except that there is not such a deep communication between the 

 subcalcarine group and the fissura calcarina, and the sulcus retro- 

 calcarinus is more distinctly branched at its posterior extremity 

 and extends farther over the border of the occipital pole ; also 

 the proximal end has a very superficial connection with the fissura 

 Hippocampi. The sulci orbitales are simpler even than on the left 

 and roughly resemble an " H " in form. The sulcus rhiucncephali 

 inferior is long and deep, the fissura collateraUs and sulcus tem- 

 poralis inferior are each represented by a single segment, and 

 neither is connected anteriorly ; the latter is connected posteriorly 

 with the sulcus occipitalis inferior. 



The subcalcarine group (Sergi) are simple in pattern and 

 present one branch of interest; this sulcus is almost as deep as 

 the fissura collateralis and runs forward parallel to it on the g\'rus 

 fusiformis as far as the middle of the gyrus. There may be a 

 question as to whether this is not a posterior ramus of the col- 

 lateral, but I have decided to the contrary because of its depth 

 and the position of its fellow on the other side. 



For reasons already given in the text I have not included any of 

 the relative measurements of depth of sulci or linear dimensions, 

 but, after having studied these and characters already mentioned, 

 I can say positively that this brain presents no features, which 

 present methods of study can reveal, that would cause us to 

 classify it otherwise than as a brain of normal development. I 

 regret to say that it reveals nothing which might explain the 

 criminal tendencies of the individual either in atavistic reminis- 

 cence of structure, embryonal characters denoting arrest of 

 development, or signs of a recent or early pathological process. 



Case II. Left Hemisphere: Lateral Surface 



Fissura Sylz'ii. — The dorsal operculum is of only moderate de- 

 velopment, resulting in a slight exposure of the surface of the 



402 



