He was an old man, said to be about seventy years of age, his legs were half-paralyzed, and they nevertheless moved with a series of incessant and rapid but unvoluntary jerks under his heavy bowed body, and he was supported on either hand by a tall young fellow.
"The Complete Historical Romances of Georg Ebers"
Georg Ebers
She gave an unvoluntary glance around as if seeking some way of escape.
"Lucy Maud Montgomery Short Stories, 1907 to 1908"
Lucy Maud Montgomery