�y��vlog

Jomon skeletons show a high incidence of what pathologists term auditory exostosis, meaning abnormal bone growth in the ears as often observed in divers today.

Skeletons show evidence of auditory exostoses, a growth of cartilaginous tissue on ear bones that is found in humans who are repeatedly exposed to cold water – suggesting they frequently performed religious ceremonies in the river.

Large exostoses can cause hearing loss, by blocking the auditory canal.

There are several other diseases of the bones, which, we presume, our readers are acquainted with; such as exostosis, caries, &c., neither of which apply to the malady under consideration.

The fighting knobs mentioned above, are very interesting, large exostoses on one of the wrist-bones of either wing; they were undoubtedly covered with a thick, callous skin.