Sacrum bodies are seen to be united at their circumferences by bone, wide intervals being left centrally, which, in the fresh state, are filled by the intervertebral discs. The dorsal surface of the sacrum is convex and narrower than the pelvic surface. In the middle line is the median sacral crest, surmounted by three or four tubercles—the rudimentary spinous processes of the upper three or four sacral vertebrae. On either side of the median sacral crest is a shallow sacral groove, which gives origin to the multifidus muscle. The floor of the groove is formed by the united laminae of the
What's Bred in the Bone "The Lyre of Orpheus". It is also connected to earlier novels; when Cornish is at school in Toronto, one of his teachers is Dunstan Ramsay from the Deptford Trilogy. There are many parallels to be found in W. Somerset Maugham's Of Human Bondage. What's Bred in the Bone What's Bred in the Bone is the second novel in the Canadian writer Robertson Davies' Cornish Trilogy. It is the life story of Francis or Frank Cornish, whose death and will were the starting point for the first novel, "The Rebel Angels". After a brief framing scene among characters from "The Rebel