Diving

In Ponape chapter, in Zinsley's book,The rapture of the Deep, he comfortably dons the role of a marine biologist introducing you to Tunicates that are a link between vertebrates and invertebrates and the move on to the customs of the Pohnpeiian. The anthropologist then winds up marvelling at the ruins of Nan Madol

I happen to be in the posession of Grays Anatomy, so here's the beginning of me waxing about the bones.

Bones - Long
short, flat
and mixed