1903-4.] Dr Munro on Man in the Palaeolithic Period. 101 
The femur (fig. 6) discovered by Dr Dubois in the same place 
has been pronounced by most of the anatomists who had criti- 
cally examined it to he human ; hut, as it lay at a distance of 
15 metres from the calvaria, there is no absolute certainty that 
the two bones belonged to the same individual. There cau, 
however; be no doubt that this femur was that of an animal 
Fig. 4. — Side view. 
Fig. 5. — Top view. 
The skull of Pithecanthropus erectus, Java (^). (After Dr Dubois.) 
which, at that early period, had attained the erect attitude — 
an animal which therefore must have belonged to the genus 
Homo. The logical deduction from these data is thus necessarily 
limited to probability ; but if the hypothesis of organic evolution 
be correct, the Java skull is precisely in that stage of cranio- 
logical development which would be expected at that early time 
in the history of humanity. 
The skull of the human skeleton discovered in 1856 in the 
