(1) Untreated, the fever becomes undulant (up for weeks and gone for weeks), patients spend three months in the hospital and 2% die.(2) I fin out into the undulant , pellucid sea to ‘just look.’(3) The tablets have the same dimensions, the same undulant surfaces and similar colors, but they are entirely different in tactility and visual weight.(4) The undulance is more remarkable on a back and torso.(5) Still, the performances were admirable for their lilting rhythmic undulance and sensitivity.