The extraordinary pelvis, by Emily Hahn.

A very sensible, clever young woman; when she was bathing, he noticed that she had a narrow pelvis and pitifully thin

The bones which support the ventral or belly fins are called the ossa pelvis.

Oh, yes; I had only a pseudo-osteomalacic rhachitic pelvis, to begin with.

Oh, yes; I had only a pseudo-osteomalacic rhachitic pelvis, to begin with.