Avisauridae leg formed by fused metatarsals (the bones which comprise the foot in humans). As a result, members of this family are distinguished from other enantiornitheans exclusively by features of the tarsometatarsal and pedal phalanges (toe bones). Unlike in some prehistoric birds, avisaurid tarsometatarsals were not completely fused, with the distal (outer) parts of the metatarsals being separate from each other. The proximal (near) half of metatarsal III (the long bone in the middle of the tarsometatarsus) is convex from the front. The inside edge of this bone's trochlea (toe joint) has a bony tab which points downward, known as a
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