If a rigid rod, or a wing with a rigid anterior margin, be made to vibrate, the vibration is characterized by an unequal jerky motion, at the end of the down and up strokes, which contrasts strangely with the smooth, steady fanning movement peculiar to natural wings.
In this edition the fragmentary and jerky arrangement, the intricate style, and a peculiar and often purely conventional terminology seriously checked the diffusion of the work, which accordingly was little studied in Italy and remained almost unknown to the rest of Europe.
With jerky movements, she finished dressing and replaced her weapons.
The regimental commander walked with his jerky steps to the front of the regiment and examined it from a distance.
The general in command of the infantry went toward his horse with jerky steps, and having mounted drew himself up very straight and tall and rode to the Pavlograd commander.
Behind him stalked with regular, jerky steps, the famous machine-man called Tik-tok, who had been wound up by Dorothy for the occasion.
And the commander, turning to look at the adjutant, directed his jerky steps down the line.