RELATION OF FRONTAL AND PARIETAL ARCS. 



17 



TABLE XIV. 

 Frontal-Parietal Relation in Representative Primates and Races. 



Species 



Lemur mongoz 



Cebus capucinus 



Cynocephalus babuin 



Cercopithecus sabaeus 



Hylobates leuciscus 



" syndactylus 



Orang ad ; 



Troglodytes niger adult female 



Pithecanthropus ; point b 



" c 



Average of b and c 



Spy I 



Spy 2 



Neanderthal 



Egisheim 



Chinese 



Lapp 



Russian 



Australian 



Alsatian 



Dyak 



After Schwalbe. 



TABLE XV. 

 Table Showing the Relation Between the Parietal and Frontal Arcs. 



Males. 



Females. 



From Table XV, it is noticeable that, of the 80 skulls measured for this point, 54 or 

 67.50% of them have the frontal larger than the parietal, and 26 or 32.50% have the 

 frontal less than the parietal, while 2 or 2.50% have the two arcs equal. 68.52% of the 



Memoirs Conn. Acad., Vol. IV. 3 



