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The forehead is generally flat; the upper jaw rather prominent; the frontal sinuses large; the occipital bone is flat, and there is a remarkable receding of the bone from the posterior insertion of the 'occipitofrontalis' muscle to the 'foramen magnum'. It is a peculiar character of the Australian skull to have a very singular depression at the junction of the nasal bones with the nasal processes of the frontal bone.
Width of hinder part of skull from one parietal protuberance to the other...138 = 5.4" 5.9" Distance from the upper angle of the occipital to the superior semicircular lines...51 = 1.9" 2.4". Thickness of the bone at the parietal protuberance...8. at the angle of the occipital...9. at the superior semicircular line of the occipital...10 = 0.3"
As these cannot be got at easily in the occipital bone, be careful still to keep the hand in its place, and gently move the head with it, and so with the right hand and the forceps draw the child forward, and urge the woman to exert all her strength, and continue drawing whenever her pains come on.
And while I am at my window, my eyes fixed on the view, the anatomist declares that, starting from my retina, molecular vibrations travel along the optic nerve, cross each other at the chiasma, enter into the fascia, pass through the internal capsule and reach the hemispheres, or rather the occipital regions, of the brain, where, for the moment, we agree to localise the centre of projection of the visual sensations.
"The difference in volume is chiefly confined to the occipital and basal portions," in other words, to the region of the animal propensities; and hence, it is argued, the ferocious, brutal, and uncivilizable character of the wild tribes. Of old they were their enemies, but were now at peace with them, and about the year 1640 became their close confederates.
In consequence of this circumstance, the parts of the occipital bone which lie above and below the tuberosity make a much more acute angle with one another than is usual, whereby the hinder part of the base of the skull appears obliquely truncated.
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 straightness of the squamosal suture, and in the complete retreat of the occiput forwards and upward, from the superior occipital ridges.
The first case was a paralytic idiot of thirty-nine, whose cranial development was small in proportion to the size of the face and body; the cranium was oxycephalic; the scalp was lax and redundant and the hair thin; there were 13 furrows, five on each side running anteroposteriorly, and three in the occipital region running transversely. The occipitofrontalis muscle had no action on them.
When the disease commences in the pre-auricular or submaxillary glands, it tends to spread to those along the carotid sheath: when the posterior auricular and occipital glands are first involved, the spread is to those along the posterior border of the sterno-mastoid.
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