"The strangest disease I have seen in this country seems really to be broken-heartedness, and it attacks free men who have been captured and made slaves. ... Twenty one were unchained, as now safe; however all ran away at once; but eight with many others still in chains, died in three days after the crossing. They described their only pain in the heart, and placed the hand correctly on the spot, though many think the organ stands high up in the breast-bone."