THE VARIETIES OF THE HUMAN SPECIES. 



35 



4. Sphenoides inegas (Fig. 12), the largest which I have found. 

 It is also distinguished in the norma verticalis by a certain con- 

 vexity in the sides of the cranium and by the posterior rotundity. 

 This type is also obtained from the Kourgans. 



5. Sphenoides oblongus. I so name that sphenoid which has a 

 marked distance between the greatest biparietal width and the 

 bifrontal line. This type is opposed to the latus, which is short. 



6th. Spheroid (sphaeroides). 



The general character of this cranial form is the rounding of the 

 frontal, parietal, parieto-occipital and the inferior or basal parts of 

 the occiput itself, by spherical curves. 



The cranium is relatively wide and short, the forehead and 

 frontal large, the cranial arch widely convex, the occiput without 

 protuberance, but rounding, the base wide (Fig. 13). 



Fig. 13.— Sphaeroides. 



I have already distinguished three principal forms of the 

 spheroid, visible from the norma verticalis. 



1st. Sphaeroides proper, which we also find subdivided. 



2d. Sphaerotocephaliis, which diverges by having a forehead 

 wider but slightly retreating, following, therefore, the spheroidal 



