Hip bone muscles. Monotremes and marsupials also possess a fourth pair of bones, the prepubes or "marsupial bones", which extend forward from the pubes, and help to support the abdominal muscles and, in marsupials, the pouch. In placental mammals, the pelvis as a whole is generally wider in females than in males, to allow for the birth of the young. The pelvic bones of cetaceans were formerly considered to be vestigial, but they are now known to play a role in sexual selection. Hip bone The hip bone (os coxa, innominate bone, pelvic bone or coxal bone) is a large flat bone,
Servant of the Bones a ghost, a demon, or an angel. He is trying to understand why God has denied him the Stairway to Heaven by allowing him to be made into an immortal spirit who is bound to the gold-encased bones of his mortal body. As a genie, he must obey the Master of those bones (whoever has them at the moment) and become the Master's Servant, whether for good or evil. Thus the title, Servant of the Bones. Azriel is telling the story of his transformation into and subsequent existence as an immortal genii who is forced to obey the Master who