329 
In our Australian these differences are 6 and 1 mm., in two other 
Australians 6 and 10, 19 and 20, on an average in these three 10 
and 10 mm. As the situation of the basion and of the condyles 
about determine each otker, it may be said that in the mechanism 
of the skull of the Neandertal Man the frontal lever is long and 
heavily loaded compared with the occipital lever. Also in this respect 
the Rhodesian distinguishes himself from Home neandertalensis, and 
resembles Homo sapiens, in particular the Australian’ race. The 
direction of the plane of the foramen magnum is also Australian, 
not neandertaloid. The glenoid fossa and articular eminence for 
articulation with the lower jaw are of the sapiens type. Very striking 
is, also seen from below, the greater thickness and more transverse 
position of the malar bones, whereas the zygomatic arches stick out 
less laterally. It is noteworthy that the thickness of the wall of the 
brain-case is less, on the whole, than it is usually found in Australian 
and even neandertalian skulls. 
The relative height of the calvaria (calvarial height index) with 
regard to the glabella-inion line, is 42.3, as against 40 to 44.3 in 
the neandertalians, and the minimum 44.9 (according to Berry and 
Rosertson) in Australians. The degree of flattening is, therefore, 
about the same as that of the Neandertal Man, and is also almost 
reached by some Australians. In the comparative lengths of the 
sagittal suture (chord 114 mm.) and the temporal suture (chord 
105 mm.) of the parietal bone the Rhodesian is closer to very 
platycephalic Australians. 
In consequence of the receding forehead the inion-glabella-breg- 
matic angle is only 46°, against 45'/,° in La Chapelle, and 49° as 
minimum in Australians (Berry and Ropertson). The elevation of 
the nuchal plane of the occipital bone in the Neandertal Man made 
the glabella-inon-opisthion angle (lowest inion angle) rise to 44'/,° 
in La Chapelle, even 54° in Spy I; it is only 30° in the Rhodesian, 
agreeing with modern men. It is 33° in the Australian of Fig. 5, 
and reaches a minimum in this race of 31° (Berry and ROBERTSON). 
The glabella-inion-lambda angle (upper inion angle) is 72°, in our 
Australian 73°, the minimum in Australians (Berry and ROBERTSON) 
is 70°; this angle is from 66° to 69° in the Neandertal Man. In 
contrast with the latter the lower inion-angle has, therefore, remained 
small in the Rhodesian, with a small upper inion angle. 
Nor do we find the lower part of the cranium of greater depth, 
with the flattening of the upper part, to the same extent as in the 
Neandertal Man. In consequence of the flattening of the Rhodesian 
skull the depth of the lower part of the cranium, below the glabella- 
