327 
height is 130 mm. (in La Chapelle 131). The basi-nasion line is 
111 mm. (as against 125 in La Chappelle). 
The length-breadth index is, therefore, 70 (equal to that of Spy I, 
but smaller than that of La Chapelle, 75). The length-height index 
is 62,8 (equal to that of La Chapelle). The shorter basal line, the 
deeper post-orbital constriction, together with a broader face, are 
important differences with the neandertal-ty pe. 
By comparison of the endocranial length (mean of left and right 
hemisphere 171 mm.), breadth (134mm.), and (internal basion-vertex) 
height (122 mm.) with the corresponding measures of the La Chapelle 
skull and of the Australian in the adjoined Fig. 5, I calculate, in propor- 
tion to the known cranial capacities of the latter (1530 and 1211 cm’), 
taking the comparative slight difference in form into consideration, 
about 1400 em° in both comparisons for the capacity of the Rhodesian 
skull, which value, accordingly, will not be far from the truth. 
The length of the palate. (to the back sides of the third molar 
teeth) is 59,5 mm., the breadth between the outer sides of the second 
molars 78 mm. (in Wadjak II 81 mm., in La Ferrassie 71,5). The 
palate is very high, 19 mm. for m. 2. The dental arcade is, there- 
fore, very large (though as with the Wadjak men, the size of the 
teeth themselves is exceeded by that of many Australians). For the 
palatal area I find 4000 mm’, i.e. 140 mm? less than for Wadjak II, 
but 500 mm? more than for Wadjak I, 200 mm’ more than for 
La Chapelle, 930 mm? more than for the La Ferrassie neandertalian. 
Striking are the differences between the Rhodesian and the Neander- 
talian skulls in the following points. 
Seen in profile the Rhodesian entirely lacks the snout-like form 
of the facial skull part, which is so characteristie of the Neandertal 
Man; in this respect he resembles the Australian. The jaw projects 
less (Flower’s alveolar index, basi-alveolar length >< 100: basi-nasal 
length — 105, against 108 in La Chapelle), but it is higher and 
broader. The nasi-alveolar line is 92 mm., as against 87 in the 
La Chapelle skull, 70 in our Australian skull. The line is 72.4°/, 
in the Rhodesian, 70°/, in La Chapelle, 51°/, in our Australian, 
48°/, in other Australians, of the calvarial height above the basi- 
nasal line. The nasion-basion-prosthion angle is 46° in the Rhodesian 
skull, as against about 40° in La Chapelle, and 38° in our Australian 
and in other Australians. The width of the jaw appears from the 
distance between the outer sides of the second molars. The occiput 
is formed after an Australian type (very different from that of the 
Neandertal-skulls), with large, flat planum nuchale, separated from 
the upper tabular part of the occipital bone, which at that place 
