1903 - 4 .] Dr Munro on Man in the Palceolithic Period. 103 
on the Neanderthal skull: — “There can be no doubt that, as 
Professor SchaafFhausen and Mr Busk have stated, this skull 
is the most brutal of all known human skulls, resembling those 
of the apes not only in the prodigious development of the 
superciliary prominences and the forward extension of the orbits, 
but still more in the depressed form of the brain-case, in the 
The Neanderthal skull (J). (After Huxley.) 
straightness of the squamosal suture, and in the complete retreat 
of the occiput forward and upward, from the superior occipital 
ridges.” — (Ly ell’s Antiquity of Man , p. 84.) 
The skull (cephalic index 70) of one of the Spy skeletons 
(figs. 9, 10 and 11) also shows a low retreating forehead, marked 
prognathism, a sloping chin, and large third molar teeth. These 
skeletons were discovered in 1886, buried 12J feet in fallen 
debris at the entrance of a grotto in the province of Namur, 
