Book One -- The things that sustain and support the entire body, and what braces and attaches them all. [the bones and the ligaments that interconnect them] | Chapter 5 The Structure of the Head: Why It Is Shaped As It Is, and How Many Configurations It Has

[Introduction to Chapter 5]

In the first drawing of the fifth Chapter, the natural figure 2 of the head or skull is represented, shaped like an elongated sphere slightly depressed on either side and swelling outward in front and behind. The second drawing shows the first unnatural shape 3 of the head, in which the anterior protuberance is missing. The third drawing reveals the second unnatural shape, 4 in which the posterior protuberance is gone. 5 In the fourth drawing is indicated the third unnatural shape of the head, 6 in which both anterior and posterior protuberances are lost. In the fifth drawing we have depicted the fourth unnatural shape of the head, 7 in which both protuberances face the sides instead of the front and rear.



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Book One -- The things that sustain and support the entire body, and what braces and attaches them all. [the bones and the ligaments that interconnect them] | Chapter 5 The Structure of the Head: Why It Is Shaped As It Is, and How Many Configurations It Has